5640556180 has 24 divisors (see below), whose sum is σ = 13537335168. Its totient is φ = 1933904928.

The previous prime is 5640556177. The next prime is 5640556193. The reversal of 5640556180 is 816550465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20144704 + ... + 20144983.

It is an arithmetic number, because the mean of its divisors is an integer number (564055632).

Almost surely, 2^5640556180 is an apocalyptic number.

It is an amenable number.

5640556180 is an abundant number, since it is smaller than the sum of its proper divisors (7896778988).

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

5640556180 is a wasteful number, since it uses less digits than its factorization.

5640556180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40289703 (or 40289701 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 5640556180 is about 75103.6362634993. The cubic root of 5640556180 is about 1780.0846001957.

The spelling of 5640556180 in words is "five billion, six hundred forty million, five hundred fifty-six thousand, one hundred eighty".