633420264 has 16 divisors (see below), whose sum is σ = 1583550720. Its totient is φ = 211140080.

The previous prime is 633420223. The next prime is 633420301. The reversal of 633420264 is 462024336.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13196232 + ... + 13196279.

It is an arithmetic number, because the mean of its divisors is an integer number (98971920).

Almost surely, 2^633420264 is an apocalyptic number.

It is an amenable number.

633420264 is an abundant number, since it is smaller than the sum of its proper divisors (950130456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

633420264 is a wasteful number, since it uses less digits than its factorization.

633420264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26392520 (or 26392516 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 633420264 is about 25167.8418621860. The cubic root of 633420264 is about 858.8104447791.

The spelling of 633420264 in words is "six hundred thirty-three million, four hundred twenty thousand, two hundred sixty-four".