27725520132 has 60 divisors (see below), whose sum is σ = 72780938076. Its totient is φ = 9203466240.

The previous prime is 27725520073. The next prime is 27725520161. The reversal of 27725520132 is 23102552772.

27725520132 is a `hidden beast` number, since 2 + 7 + 72 + 552 + 0 + 1 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20282317056 + 7443203076 = 142416^2 + 86274^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 99453 + ... + 255620.

Almost surely, 2^27725520132 is an apocalyptic number.

It is an amenable number.

27725520132 is an abundant number, since it is smaller than the sum of its proper divisors (45055417944).

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

27725520132 is a wasteful number, since it uses less digits than its factorization.

27725520132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355330 (or 355319 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 27725520132 in words is "twenty-seven billion, seven hundred twenty-five million, five hundred twenty thousand, one hundred thirty-two".