256578924 has 48 divisors (see below), whose sum is σ = 685714176. Its totient is φ = 73147200.

The previous prime is 256578923. The next prime is 256578929. The reversal of 256578924 is 429875652.

256578924 is digitally balanced in base 3, 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 (256578923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38134 + ... + 44354.

It is an arithmetic number, because the mean of its divisors is an integer number (14285712).

Almost surely, 2^256578924 is an apocalyptic number.

It is an amenable number.

256578924 is an abundant number, since it is smaller than the sum of its proper divisors (429135252).

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

256578924 is a wasteful number, since it uses less digits than its factorization.

256578924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726 (or 6724 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 256578924 is about 16018.0811584909. The cubic root of 256578924 is about 635.4386982343.

The spelling of 256578924 in words is "two hundred fifty-six million, five hundred seventy-eight thousand, nine hundred twenty-four".