378580939624 has 8 divisors (see below), whose sum is σ = 709839261810. Its totient is φ = 189290469808.

The previous prime is 378580939613. The next prime is 378580939643. The reversal of 378580939624 is 426939085873.

It can be written as a sum of positive squares in only one way, i.e., 203597683524 + 174983256100 = 451218^2 + 418310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×378580939624² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23661308719 + ... + 23661308734.

Almost surely, 2^378580939624 is an apocalyptic number.

It is an amenable number.

378580939624 is a deficient number, since it is larger than the sum of its proper divisors (331258322186).

378580939624 is a wasteful number, since it uses less digits than its factorization.

378580939624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47322617459 (or 47322617455 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 378580939624 in words is "three hundred seventy-eight billion, five hundred eighty million, nine hundred thirty-nine thousand, six hundred twenty-four".