3654656204004 has 72 divisors (see below), whose sum is σ = 10045376624192. Its totient is φ = 1113592017600.

The previous prime is 3654656203999. The next prime is 3654656204027. The reversal of 3654656204004 is 4004026564563.

It is a happy number.

3654656204004 is a `hidden beast` number, since 3 + 6 + 5 + 46 + 562 + 0 + 40 + 0 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37860022 + ... + 37956429.

Almost surely, 2^{3654656204004} is an apocalyptic number.

It is an amenable number.

3654656204004 is an abundant number, since it is smaller than the sum of its proper divisors (6390720420188).

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

3654656204004 is a wasteful number, since it uses less digits than its factorization.

3654656204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75816577 (or 75816572 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 3654656204004 in words is "three trillion, six hundred fifty-four billion, six hundred fifty-six million, two hundred four thousand, four".