3640320604 has 24 divisors (see below), whose sum is σ = 6401485440. Its totient is φ = 1811347824.

The previous prime is 3640320589. The next prime is 3640320643. The reversal of 3640320604 is 4060230463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740017 + ... + 744919.

It is an arithmetic number, because the mean of its divisors is an integer number (266728560).

Almost surely, 2^3640320604 is an apocalyptic number.

It is an amenable number.

3640320604 is a deficient number, since it is larger than the sum of its proper divisors (2761164836).

3640320604 is a wasteful number, since it uses less digits than its factorization.

3640320604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 3640320604 is about 60335.0694372684. The cubic root of 3640320604 is about 1538.3194975906.

The spelling of 3640320604 in words is "three billion, six hundred forty million, three hundred twenty thousand, six hundred four".