3640816379332 has 48 divisors (see below), whose sum is σ = 6967571909760. Its totient is φ = 1650888576000.

The previous prime is 3640816379329. The next prime is 3640816379407. The reversal of 3640816379332 is 2339736180463.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181116082 + ... + 181136182.

It is an arithmetic number, because the mean of its divisors is an integer number (145157748120).

Almost surely, 2^{3640816379332} is an apocalyptic number.

It is an amenable number.

3640816379332 is a deficient number, since it is larger than the sum of its proper divisors (3326755530428).

3640816379332 is a wasteful number, since it uses less digits than its factorization.

3640816379332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29932 (or 29930 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 55.

The spelling of 3640816379332 in words is "three trillion, six hundred forty billion, eight hundred sixteen million, three hundred seventy-nine thousand, three hundred thirty-two".