256477632710624 has 24 divisors (see below), whose sum is σ = 543781903969080. Its totient is φ = 118374292020096.

The previous prime is 256477632710609. The next prime is 256477632710657. The reversal of 256477632710624 is 426017236774652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308266385054 + ... + 308266385885.

It is an arithmetic number, because the mean of its divisors is an integer number (22657579332045).

Almost surely, 2^{256477632710624} is an apocalyptic number.

It is an amenable number.

256477632710624 is an abundant number, since it is smaller than the sum of its proper divisors (287304271258456).

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

256477632710624 is a wasteful number, since it uses less digits than its factorization.

256477632710624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616532770962 (or 616532770954 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 62.

The spelling of 256477632710624 in words is "two hundred fifty-six trillion, four hundred seventy-seven billion, six hundred thirty-two million, seven hundred ten thousand, six hundred twenty-four".