256153004 has 12 divisors (see below), whose sum is σ = 448627200. Its totient is φ = 127973808.

The previous prime is 256152979. The next prime is 256153013. The reversal of 256153004 is 400351652.

256153004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256153004² = 131228722916448032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19919 + ... + 30150.

It is an arithmetic number, because the mean of its divisors is an integer number (37385600).

Almost surely, 2^256153004 is an apocalyptic number.

It is an amenable number.

256153004 is a deficient number, since it is larger than the sum of its proper divisors (192474196).

256153004 is a wasteful number, since it uses less digits than its factorization.

256153004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51352 (or 51350 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 256153004 is about 16004.7806607901. The cubic root of 256153004 is about 635.0868949224.

The spelling of 256153004 in words is "two hundred fifty-six million, one hundred fifty-three thousand, four".