27018828264564 has 60 divisors (see below), whose sum is σ = 74787410276964. Its totient is φ = 8476495140096.

The previous prime is 27018828264559. The next prime is 27018828264629. The reversal of 27018828264564 is 46546282881072.

It is a happy number.

27018828264564 is a `hidden beast` number, since 2 + 7 + 0 + 1 + 8 + 8 + 2 + 8 + 2 + 64 + 564 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20840521480164 + 6178306784400 = 4565142^2 + 2485620^2 .

It is a super-2 number, since 2×27018828264564² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2452684059 + ... + 2452695074.

Almost surely, 2^{27018828264564} is an apocalyptic number.

It is an amenable number.

27018828264564 is an abundant number, since it is smaller than the sum of its proper divisors (47768582012400).

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

27018828264564 is a wasteful number, since it uses less digits than its factorization.

27018828264564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905379166 (or 4905379155 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 63.

The spelling of 27018828264564 in words is "twenty-seven trillion, eighteen billion, eight hundred twenty-eight million, two hundred sixty-four thousand, five hundred sixty-four".