3938408044192 has 24 divisors (see below), whose sum is σ = 7762767364800. Its totient is φ = 1966911570624.

The previous prime is 3938408044163. The next prime is 3938408044201. The reversal of 3938408044192 is 2914408048393.

It is a super-2 number, since 2×3938408044192² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71611192 + ... + 71666167.

It is an arithmetic number, because the mean of its divisors is an integer number (323448640200).

Almost surely, 2^{3938408044192} is an apocalyptic number.

3938408044192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3938408044192 is a deficient number, since it is larger than the sum of its proper divisors (3824359320608).

3938408044192 is a wasteful number, since it uses less digits than its factorization.

3938408044192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143278228 (or 143278220 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 3938408044192 in words is "three trillion, nine hundred thirty-eight billion, four hundred eight million, forty-four thousand, one hundred ninety-two".