380163683440 has 20 divisors (see below), whose sum is σ = 883880564184. Its totient is φ = 152065473344.

The previous prime is 380163683413. The next prime is 380163683479. The reversal of 380163683440 is 44386361083.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 2376022942 + ... + 2376023101.

Almost surely, 2^380163683440 is an apocalyptic number.

It is an amenable number.

380163683440 is an abundant number, since it is smaller than the sum of its proper divisors (503716880744).

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

380163683440 is a wasteful number, since it uses less digits than its factorization.

380163683440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752046056 (or 4752046050 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 380163683440 in words is "three hundred eighty billion, one hundred sixty-three million, six hundred eighty-three thousand, four hundred forty".