3656376940 has 12 divisors (see below), whose sum is σ = 7678391616. Its totient is φ = 1462550768.

The previous prime is 3656376923. The next prime is 3656376961. The reversal of 3656376940 is 496736563.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91409404 + ... + 91409443.

It is an arithmetic number, because the mean of its divisors is an integer number (639865968).

Almost surely, 2^3656376940 is an apocalyptic number.

It is an amenable number.

3656376940 is an abundant number, since it is smaller than the sum of its proper divisors (4022014676).

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

3656376940 is a wasteful number, since it uses less digits than its factorization.

3656376940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182818856 (or 182818854 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 49.

The square root of 3656376940 is about 60467.9827677425. The cubic root of 3656376940 is about 1540.5778654435.

The spelling of 3656376940 in words is "three billion, six hundred fifty-six million, three hundred seventy-six thousand, nine hundred forty".