38647691156800 has 84 divisors (see below), whose sum is σ = 103742700104736. Its totient is φ = 14053705868800.

The previous prime is 38647691156777. The next prime is 38647691156819. The reversal of 38647691156800 is 865119674683.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1097928172 + ... + 1097963371.

It is an arithmetic number, because the mean of its divisors is an integer number (1235032144104).

Almost surely, 2^{38647691156800} is an apocalyptic number.

It is an amenable number.

38647691156800 is an abundant number, since it is smaller than the sum of its proper divisors (65095008947936).

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

38647691156800 is a wasteful number, since it uses less digits than its factorization.

38647691156800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195891576 (or 2195891561 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 38647691156800 in words is "thirty-eight trillion, six hundred forty-seven billion, six hundred ninety-one million, one hundred fifty-six thousand, eight hundred".