256026124432 has 40 divisors (see below), whose sum is σ = 541526310584. Its totient is φ = 116547185664.

The previous prime is 256026124399. The next prime is 256026124447. The reversal of 256026124432 is 234421620652.

It can be written as a sum of positive squares in 4 ways, for example, as 8722812816 + 247303311616 = 93396^2 + 497296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 256026124391 and 256026124400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8415603 + ... + 8445970.

Almost surely, 2^256026124432 is an apocalyptic number.

It is an amenable number.

256026124432 is an abundant number, since it is smaller than the sum of its proper divisors (285500186152).

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

256026124432 is a wasteful number, since it uses less digits than its factorization.

256026124432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16861667 (or 16861661 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 256026124432 in words is "two hundred fifty-six billion, twenty-six million, one hundred twenty-four thousand, four hundred thirty-two".