255136272456 has 64 divisors (see below), whose sum is σ = 688618667520. Its totient is φ = 78307660800.

The previous prime is 255136272437. The next prime is 255136272481. The reversal of 255136272456 is 654272631552.

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, 894520 + ... + 1144743.

It is an arithmetic number, because the mean of its divisors is an integer number (10759666680).

Almost surely, 2^255136272456 is an apocalyptic number.

255136272456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255136272456 is an abundant number, since it is smaller than the sum of its proper divisors (433482395064).

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

255136272456 is a wasteful number, since it uses less digits than its factorization.

255136272456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039686 (or 2039682 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 48.

The spelling of 255136272456 in words is "two hundred fifty-five billion, one hundred thirty-six million, two hundred seventy-two thousand, four hundred fifty-six".