256506374702024 has 32 divisors (see below), whose sum is σ = 481065267179640. Its totient is φ = 128222305344000.

The previous prime is 256506374702009. The next prime is 256506374702029. The reversal of 256506374702024 is 420207473605652.

It can be written as a sum of positive squares in 4 ways, for example, as 254316951393124 + 2189423308900 = 15947318^2 + 1479670^2 .

It is not an unprimeable number, because it can be changed into a prime (256506374702029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294910252 + ... + 1295108324.

Almost surely, 2^{256506374702024} is an apocalyptic number.

It is an amenable number.

256506374702024 is a deficient number, since it is larger than the sum of its proper divisors (224558892477616).

256506374702024 is a wasteful number, since it uses less digits than its factorization.

256506374702024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236241 (or 236237 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 53.

The spelling of 256506374702024 in words is "two hundred fifty-six trillion, five hundred six billion, three hundred seventy-four million, seven hundred two thousand, twenty-four".