27530640936 has 40 divisors (see below), whose sum is σ = 77111287770. Its totient is φ = 9176880096.

The previous prime is 27530640931. The next prime is 27530640937. The reversal of 27530640936 is 63904603572.

27530640936 is a `hidden beast` number, since 27 + 530 + 6 + 4 + 0 + 93 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14740388100 + 12790252836 = 121410^2 + 113094^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27530640891 and 27530640900.

It is not an unprimeable number, because it can be changed into a prime (27530640931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21242131 + ... + 21243426.

Almost surely, 2^27530640936 is an apocalyptic number.

It is an amenable number.

27530640936 is an abundant number, since it is smaller than the sum of its proper divisors (49580646834).

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

27530640936 is a wasteful number, since it uses less digits than its factorization.

27530640936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42485575 (or 42485562 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 27530640936 in words is "twenty-seven billion, five hundred thirty million, six hundred forty thousand, nine hundred thirty-six".