256477103376012 has 72 divisors (see below), whose sum is σ = 667570822616880. Its totient is φ = 82975026401280.

The previous prime is 256477103375957. The next prime is 256477103376103. The reversal of 256477103376012 is 210673301774652.

256477103376012 is a `hidden beast` number, since 2 + 5 + 6 + 477 + 103 + 3 + 7 + 60 + 1 + 2 = 666.

256477103376012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256477103376012² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256477103376012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449883462 + ... + 450453197.

It is an arithmetic number, because the mean of its divisors is an integer number (9271816980790).

Almost surely, 2^{256477103376012} is an apocalyptic number.

It is an amenable number.

256477103376012 is an abundant number, since it is smaller than the sum of its proper divisors (411093719240868).

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

256477103376012 is a wasteful number, since it uses less digits than its factorization.

256477103376012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900336903 (or 900336898 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 256477103376012 in words is "two hundred fifty-six trillion, four hundred seventy-seven billion, one hundred three million, three hundred seventy-six thousand, twelve".