38886681919744 has 36 divisors (see below), whose sum is σ = 82187431143804. Its totient is φ = 18299615019008.

The previous prime is 38886681919691. The next prime is 38886681919753. The reversal of 38886681919744 is 44791918668883.

It can be written as a sum of positive squares in 2 ways, for example, as 15947946406144 + 22938735513600 = 3993488^2 + 4789440^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4467675097 + ... + 4467683800.

It is an arithmetic number, because the mean of its divisors is an integer number (2282984198439).

Almost surely, 2^{38886681919744} is an apocalyptic number.

38886681919744 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38886681919744 is an abundant number, since it is smaller than the sum of its proper divisors (43300749224060).

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

38886681919744 is an equidigital number, since it uses as much as digits as its factorization.

38886681919744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8935358930 (or 8935358916 counting only the distinct ones).

The product of its digits is 4013162496, while the sum is 82.

The spelling of 38886681919744 in words is "thirty-eight trillion, eight hundred eighty-six billion, six hundred eighty-one million, nine hundred nineteen thousand, seven hundred forty-four".