I believe it isn't worth to much, if anything at all.
When you are looking at other extensions that are not .com, you will see a lot of the names that sell are 1 word, usually high search volume names that are well know. Also, they usually have a healthy CPC. I know this because I've had longer .info domains like the one you mentioned above and got no interest from anyone at all.
But then, I was about to get 2 .info domains, one word. Had high search volume and were basically well known words. Which I was able to sell for a profit.
Make sure your looking closely at what the TLD is. For .com, you may be able to get away with 2-3 words for a domain but when you start going to other forms of TLD's, you start going into the valueless zone.
-Omar