5643158940 has 36 divisors (see below), whose sum is σ = 17117582664. Its totient is φ = 1504842336.

The previous prime is 5643158929. The next prime is 5643159001. The reversal of 5643158940 is 498513465.

5643158940 is a `hidden beast` number, since 5 + 64 + 3 + 1 + 589 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 15675262 + ... + 15675621.

Almost surely, 2^5643158940 is an apocalyptic number.

It is an amenable number.

5643158940 is an abundant number, since it is smaller than the sum of its proper divisors (11474423724).

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

5643158940 is a wasteful number, since it uses less digits than its factorization.

5643158940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31350898 (or 31350893 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 5643158940 is about 75120.9620545424. The cubic root of 5643158940 is about 1780.3583569197.

The spelling of 5643158940 in words is "five billion, six hundred forty-three million, one hundred fifty-eight thousand, nine hundred forty".