3645564304 has 20 divisors (see below), whose sum is σ = 7074936064. Its totient is φ = 1819774368.

The previous prime is 3645564287. The next prime is 3645564311. The reversal of 3645564304 is 4034655463.

It is a happy number.

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, 177972 + ... + 197395.

Almost surely, 2^3645564304 is an apocalyptic number.

It is an amenable number.

3645564304 is a deficient number, since it is larger than the sum of its proper divisors (3429371760).

3645564304 is a wasteful number, since it uses less digits than its factorization.

3645564304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375982 (or 375976 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The square root of 3645564304 is about 60378.5086268285. The cubic root of 3645564304 is about 1539.0577673567.

The spelling of 3645564304 in words is "three billion, six hundred forty-five million, five hundred sixty-four thousand, three hundred four".