256507724562414 has 64 divisors (see below), whose sum is σ = 585011973369600. Its totient is φ = 74278325214720.

The previous prime is 256507724562373. The next prime is 256507724562443. The reversal of 256507724562414 is 414265427705652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16350769 + ... + 27934979.

It is an arithmetic number, because the mean of its divisors is an integer number (9140812083900).

Almost surely, 2^{256507724562414} is an apocalyptic number.

256507724562414 is an abundant number, since it is smaller than the sum of its proper divisors (328504248807186).

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

256507724562414 is a wasteful number, since it uses less digits than its factorization.

256507724562414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600945.

The product of its (nonzero) digits is 112896000, while the sum is 60.

The spelling of 256507724562414 in words is "two hundred fifty-six trillion, five hundred seven billion, seven hundred twenty-four million, five hundred sixty-two thousand, four hundred fourteen".