5637658540 has 24 divisors (see below), whose sum is σ = 11892182400. Its totient is φ = 2244949248.

The previous prime is 5637658517. The next prime is 5637658561. The reversal of 5637658540 is 458567365.

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, 627565 + ... + 636484.

It is an arithmetic number, because the mean of its divisors is an integer number (495507600).

Almost surely, 2^5637658540 is an apocalyptic number.

It is an amenable number.

5637658540 is an abundant number, since it is smaller than the sum of its proper divisors (6254523860).

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

5637658540 is a wasteful number, since it uses less digits than its factorization.

5637658540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264281 (or 1264279 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

The square root of 5637658540 is about 75084.3428419001. The cubic root of 5637658540 is about 1779.7797290870.

The spelling of 5637658540 in words is "five billion, six hundred thirty-seven million, six hundred fifty-eight thousand, five hundred forty".