256026124460 has 48 divisors (see below), whose sum is σ = 541080585696. Its totient is φ = 101758228992.

The previous prime is 256026124451. The next prime is 256026124483. The reversal of 256026124460 is 64421620652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21630704 + ... + 21642536.

It is an arithmetic number, because the mean of its divisors is an integer number (11272512202).

Almost surely, 2^256026124460 is an apocalyptic number.

256026124460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256026124460 is an abundant number, since it is smaller than the sum of its proper divisors (285054461236).

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

256026124460 is a wasteful number, since it uses less digits than its factorization.

256026124460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18642 (or 18640 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 256026124460 in words is "two hundred fifty-six billion, twenty-six million, one hundred twenty-four thousand, four hundred sixty".