256057804 has 24 divisors (see below), whose sum is σ = 470197728. Its totient is φ = 121777920.

The previous prime is 256057721. The next prime is 256057843. The reversal of 256057804 is 408750652.

It is a happy number.

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, 8964 + ... + 24340.

It is an arithmetic number, because the mean of its divisors is an integer number (19591572).

Almost surely, 2^256057804 is an apocalyptic number.

It is an amenable number.

256057804 is a deficient number, since it is larger than the sum of its proper divisors (214139924).

256057804 is a wasteful number, since it uses less digits than its factorization.

256057804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15585 (or 15583 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 256057804 is about 16001.8062730431. The cubic root of 256057804 is about 635.0082078837.

The spelling of 256057804 in words is "two hundred fifty-six million, fifty-seven thousand, eight hundred four".