256512240562 has 16 divisors (see below), whose sum is σ = 392992513920. Its totient is φ = 125515258128.

The previous prime is 256512240533. The next prime is 256512240587. The reversal of 256512240562 is 265042215652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900373 + ... + 1150519.

It is an arithmetic number, because the mean of its divisors is an integer number (24562032120).

Almost surely, 2^256512240562 is an apocalyptic number.

256512240562 is a deficient number, since it is larger than the sum of its proper divisors (136480273358).

256512240562 is a wasteful number, since it uses less digits than its factorization.

256512240562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261105.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 256512240562 in words is "two hundred fifty-six billion, five hundred twelve million, two hundred forty thousand, five hundred sixty-two".