I think if you look at the entire Dragonball canon, it might be more. According to your source, DBZ in conjunction with Dragonball (with Goku as a minkey) has 444 episodes, and that's not including any of the movies or Dragonball GT, which really would bring the count up to at least the 500s.
What's a minkey?
:P
The movies aren't canon...
GT I believe isn't either, even if any of those "are" they shouldn't be.
Still, many others are way longer.
Also Bleach is longer than the anime, they just stopped animating it after the Fullbringer arc.