632640516 has 48 divisors (see below), whose sum is σ = 1588648320. Its totient is φ = 195217920.

The previous prime is 632640497. The next prime is 632640563. The reversal of 632640516 is 615046236.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12976 + ... + 37863.

It is an arithmetic number, because the mean of its divisors is an integer number (33096840).

Almost surely, 2^632640516 is an apocalyptic number.

It is an amenable number.

632640516 is an abundant number, since it is smaller than the sum of its proper divisors (956007804).

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

632640516 is a wasteful number, since it uses less digits than its factorization.

632640516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50924 (or 50922 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 632640516 is about 25152.3461331145. The cubic root of 632640516 is about 858.4578980643.

The spelling of 632640516 in words is "six hundred thirty-two million, six hundred forty thousand, five hundred sixteen".