256500431462074 has 16 divisors (see below), whose sum is σ = 387856130808960. Its totient is φ = 127218431887920.

The previous prime is 256500431462071. The next prime is 256500431462147. The reversal of 256500431462074 is 470264134005652.

It is not an unprimeable number, because it can be changed into a prime (256500431462071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844188342 + ... + 844492129.

It is an arithmetic number, because the mean of its divisors is an integer number (24241008175560).

Almost surely, 2^{256500431462074} is an apocalyptic number.

256500431462074 is a deficient number, since it is larger than the sum of its proper divisors (131355699346886).

256500431462074 is a wasteful number, since it uses less digits than its factorization.

256500431462074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688681085.

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 256500431462074 in words is "two hundred fifty-six trillion, five hundred billion, four hundred thirty-one million, four hundred sixty-two thousand, seventy-four".