27064425256 has 48 divisors (see below), whose sum is σ = 57577806720. Its totient is φ = 11905159200.

The previous prime is 27064425251. The next prime is 27064425281. The reversal of 27064425256 is 65252446072.

It is a super-2 number, since 2×27064425256² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27064425251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420946 + ... + 480961.

It is an arithmetic number, because the mean of its divisors is an integer number (1199537640).

Almost surely, 2^27064425256 is an apocalyptic number.

It is an amenable number.

27064425256 is an abundant number, since it is smaller than the sum of its proper divisors (30513381464).

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

27064425256 is a wasteful number, since it uses less digits than its factorization.

27064425256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901966 (or 901951 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 27064425256 in words is "twenty-seven billion, sixty-four million, four hundred twenty-five thousand, two hundred fifty-six".