3640365818404 has 24 divisors (see below), whose sum is σ = 7280932382528. Its totient is φ = 1560113762400.

The previous prime is 3640365818317. The next prime is 3640365818539. The reversal of 3640365818404 is 4048185630463.

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, 748047 + ... + 2800054.

Almost surely, 2^{3640365818404} is an apocalyptic number.

It is an amenable number.

3640365818404 is an abundant number, since it is smaller than the sum of its proper divisors (3640566564124).

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

3640365818404 is a wasteful number, since it uses less digits than its factorization.

3640365818404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584755 (or 3584753 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 3640365818404 in words is "three trillion, six hundred forty billion, three hundred sixty-five million, eight hundred eighteen thousand, four hundred four".