3638468502 has 24 divisors (see below), whose sum is σ = 7885244640. Its totient is φ = 1212531120.

The previous prime is 3638468489. The next prime is 3638468513. The reversal of 3638468502 is 2058648363.

It is a happy number.

3638468502 is a `hidden beast` number, since 3 + 6 + 3 + 84 + 68 + 502 = 666.

It is a super-2 number, since 2×3638468502² = 26476906080092248008, which contains 22 as substring.

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, 60624 + ... + 104652.

It is an arithmetic number, because the mean of its divisors is an integer number (328551860).

Almost surely, 2^3638468502 is an apocalyptic number.

3638468502 is an abundant number, since it is smaller than the sum of its proper divisors (4246776138).

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

3638468502 is a wasteful number, since it uses less digits than its factorization.

3638468502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48628 (or 48625 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 3638468502 is about 60319.7190145975. The cubic root of 3638468502 is about 1538.0585674646.

The spelling of 3638468502 in words is "three billion, six hundred thirty-eight million, four hundred sixty-eight thousand, five hundred two".