It's a number, but not just any number, no, no, no. It's the number of answers in the universe, according to some. But what does it all mean?
Well, we're not entirely sure, but we do know that it's the answer to the ultimate question of life, the universe, and everything, as dictated by a super-intelligent computer program in Douglas Adams' Hitchhiker's Guide to the Galaxy.
But don't just take our word for it, in many cultures this number holds significance, like being the number of gods in some pantheons, or the number of sides of a certain ancient dice game.
And let's not forget the Monty Python reference, because, well, why not?