27525275264 has 32 divisors (see below), whose sum is σ = 55138514340. Its totient is φ = 13686589440.

The previous prime is 27525275237. The next prime is 27525275269. The reversal of 27525275264 is 46257252572.

It can be written as a sum of positive squares in 2 ways, for example, as 20403265600 + 7122009664 = 142840^2 + 84392^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (27525275269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570869 + ... + 617204.

Almost surely, 2^27525275264 is an apocalyptic number.

It is an amenable number.

27525275264 is an abundant number, since it is smaller than the sum of its proper divisors (27613239076).

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

27525275264 is a wasteful number, since it uses less digits than its factorization.

27525275264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188268 (or 1188256 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 47.

The spelling of 27525275264 in words is "twenty-seven billion, five hundred twenty-five million, two hundred seventy-five thousand, two hundred sixty-four".