256460507670 has 32 divisors (see below), whose sum is σ = 615631775328. Its totient is φ = 68375406848.

The previous prime is 256460507617. The next prime is 256460507671. The reversal of 256460507670 is 76705064652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256460507671) 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, 730119 + ... + 1022738.

It is an arithmetic number, because the mean of its divisors is an integer number (19238492979).

Almost surely, 2^256460507670 is an apocalyptic number.

256460507670 is an abundant number, since it is smaller than the sum of its proper divisors (359171267658).

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

256460507670 is a wasteful number, since it uses less digits than its factorization.

256460507670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757744.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 256460507670 in words is "two hundred fifty-six billion, four hundred sixty million, five hundred seven thousand, six hundred seventy".