256772204 has 24 divisors (see below), whose sum is σ = 486052560. Its totient is φ = 117987264.

The previous prime is 256772179. The next prime is 256772239. The reversal of 256772204 is 402277652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127 + ... + 22689.

It is an arithmetic number, because the mean of its divisors is an integer number (20252190).

Almost surely, 2^256772204 is an apocalyptic number.

It is an amenable number.

256772204 is a deficient number, since it is larger than the sum of its proper divisors (229280356).

256772204 is a wasteful number, since it uses less digits than its factorization.

256772204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21809 (or 21807 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 256772204 is about 16024.1132047923. The cubic root of 256772204 is about 635.5982160976.

The spelling of 256772204 in words is "two hundred fifty-six million, seven hundred seventy-two thousand, two hundred four".