256932402 has 128 divisors (see below), whose sum is σ = 608256000. Its totient is φ = 71850240.

The previous prime is 256932397. The next prime is 256932419. The reversal of 256932402 is 204239652.

256932402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2357124 + ... + 2357232.

It is an arithmetic number, because the mean of its divisors is an integer number (4752000).

Almost surely, 2^256932402 is an apocalyptic number.

256932402 is an abundant number, since it is smaller than the sum of its proper divisors (351323598).

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

256932402 is a wasteful number, since it uses less digits than its factorization.

256932402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216.

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

The square root of 256932402 is about 16029.1110795328. Note that the first 3 decimals coincide. The cubic root of 256932402 is about 635.7303700633.

The spelling of 256932402 in words is "two hundred fifty-six million, nine hundred thirty-two thousand, four hundred two".