3938471846144 has 72 divisors (see below), whose sum is σ = 8577343488000. Its totient is φ = 1789985433600.

The previous prime is 3938471846137. The next prime is 3938471846159. The reversal of 3938471846144 is 4416481748393.

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, 22980482 + ... + 23151230.

Almost surely, 2^{3938471846144} is an apocalyptic number.

It is an amenable number.

3938471846144 is an abundant number, since it is smaller than the sum of its proper divisors (4638871641856).

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

3938471846144 is a wasteful number, since it uses less digits than its factorization.

3938471846144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178967 (or 178953 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 62.

The spelling of 3938471846144 in words is "three trillion, nine hundred thirty-eight billion, four hundred seventy-one million, eight hundred forty-six thousand, one hundred forty-four".