256662014976 has 264 divisors, whose sum is σ = 792933289200. Its totient is φ = 79719137280.

The previous prime is 256662014951. The next prime is 256662015017. The reversal of 256662014976 is 679410266652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10669330 + ... + 10693358.

Almost surely, 2^256662014976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256662014976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396466644600).

256662014976 is an abundant number, since it is smaller than the sum of its proper divisors (536271274224).

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

256662014976 is a wasteful number, since it uses less digits than its factorization.

256662014976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24135 (or 24114 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 256662014976 in words is "two hundred fifty-six billion, six hundred sixty-two million, fourteen thousand, nine hundred seventy-six".