27212140530 has 48 divisors (see below), whose sum is σ = 71160574680. Its totient is φ = 7214621184.

The previous prime is 27212140519. The next prime is 27212140561. The reversal of 27212140530 is 3504121272.

27212140530 is a `hidden beast` number, since 2 + 7 + 2 + 121 + 4 + 0 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26860915449 + 351225081 = 163893^2 + 18741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27212140494 and 27212140503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858295 + ... + 889434.

Almost surely, 2^27212140530 is an apocalyptic number.

27212140530 is an abundant number, since it is smaller than the sum of its proper divisors (43948434150).

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

27212140530 is a wasteful number, since it uses less digits than its factorization.

27212140530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747915 (or 1747912 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 27212140530 in words is "twenty-seven billion, two hundred twelve million, one hundred forty thousand, five hundred thirty".