256240614530 has 32 divisors (see below), whose sum is σ = 465198595200. Its totient is φ = 101618105472.

The previous prime is 256240614523. The next prime is 256240614541. The reversal of 256240614530 is 35416042652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474491 + ... + 858849.

It is an arithmetic number, because the mean of its divisors is an integer number (14537456100).

Almost surely, 2^256240614530 is an apocalyptic number.

256240614530 is a deficient number, since it is larger than the sum of its proper divisors (208957980670).

256240614530 is a wasteful number, since it uses less digits than its factorization.

256240614530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384938.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 256240614530 in words is "two hundred fifty-six billion, two hundred forty million, six hundred fourteen thousand, five hundred thirty".