256504892132 has 48 divisors (see below), whose sum is σ = 452874014208. Its totient is φ = 127119214080.

The previous prime is 256504892131. The next prime is 256504892167. The reversal of 256504892132 is 231298405652.

256504892132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256504892131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325927043 + ... + 325927829.

It is an arithmetic number, because the mean of its divisors is an integer number (9434875296).

Almost surely, 2^256504892132 is an apocalyptic number.

It is an amenable number.

256504892132 is a deficient number, since it is larger than the sum of its proper divisors (196369122076).

256504892132 is a wasteful number, since it uses less digits than its factorization.

256504892132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 256504892132 in words is "two hundred fifty-six billion, five hundred four million, eight hundred ninety-two thousand, one hundred thirty-two".