3638056488 has 64 divisors (see below), whose sum is σ = 9927705600. Its totient is φ = 1101804480.

The previous prime is 3638056463. The next prime is 3638056493. The reversal of 3638056488 is 8846508363.

It is a self number, because there is not a number n which added to its sum of digits gives 3638056488.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668643 + ... + 674061.

It is an arithmetic number, because the mean of its divisors is an integer number (155120400).

Almost surely, 2^3638056488 is an apocalyptic number.

It is an amenable number.

3638056488 is an abundant number, since it is smaller than the sum of its proper divisors (6289649112).

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

3638056488 is a wasteful number, since it uses less digits than its factorization.

3638056488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982 (or 7978 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The square root of 3638056488 is about 60316.3036665875. The cubic root of 3638056488 is about 1538.0005095589. Note that the first 3 decimals are identical.

The spelling of 3638056488 in words is "three billion, six hundred thirty-eight million, fifty-six thousand, four hundred eighty-eight".