5640915900 has 36 divisors (see below), whose sum is σ = 16321050872. Its totient is φ = 1504244160.

The previous prime is 5640915887. The next prime is 5640915941. The reversal of 5640915900 is 95190465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9401227 + ... + 9401826.

Almost surely, 2^5640915900 is an apocalyptic number.

5640915900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5640915900 is an abundant number, since it is smaller than the sum of its proper divisors (10680134972).

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

5640915900 is a wasteful number, since it uses less digits than its factorization.

5640915900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18803070 (or 18803063 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 5640915900 is about 75106.0310494437. The cubic root of 5640915900 is about 1780.1224403424.

The spelling of 5640915900 in words is "five billion, six hundred forty million, nine hundred fifteen thousand, nine hundred".