38401616875778 has 16 divisors (see below), whose sum is σ = 62043033373440. Its totient is φ = 17721065383056.

The previous prime is 38401616875679. The next prime is 38401616875807. The reversal of 38401616875778 is 87757861610483.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 114737618 + ... + 115071821.

It is an arithmetic number, because the mean of its divisors is an integer number (3877689585840).

Almost surely, 2^{38401616875778} is an apocalyptic number.

38401616875778 is a deficient number, since it is larger than the sum of its proper divisors (23641416497662).

38401616875778 is a wasteful number, since it uses less digits than its factorization.

38401616875778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229815881.

The product of its (nonzero) digits is 379330560, while the sum is 71.

The spelling of 38401616875778 in words is "thirty-eight trillion, four hundred one billion, six hundred sixteen million, eight hundred seventy-five thousand, seven hundred seventy-eight".