3864465137720 has 64 divisors (see below), whose sum is σ = 9537911641440. Its totient is φ = 1397496153600.

The previous prime is 3864465137719. The next prime is 3864465137761. The reversal of 3864465137720 is 277315644683.

It is a congruent number.

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, 24182447 + ... + 24341726.

Almost surely, 2^{3864465137720} is an apocalyptic number.

It is an amenable number.

3864465137720 is an abundant number, since it is smaller than the sum of its proper divisors (5673446503720).

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

3864465137720 is a wasteful number, since it uses less digits than its factorization.

3864465137720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48524376 (or 48524372 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 3864465137720 in words is "three trillion, eight hundred sixty-four billion, four hundred sixty-five million, one hundred thirty-seven thousand, seven hundred twenty".