379982399136520 has 64 divisors (see below), whose sum is σ = 905398134030720. Its totient is φ = 143029133958144.

The previous prime is 379982399136491. The next prime is 379982399136539. The reversal of 379982399136520 is 25631993289973.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40824492 + ... + 49260571.

It is an arithmetic number, because the mean of its divisors is an integer number (14146845844230).

Almost surely, 2^{379982399136520} is an apocalyptic number.

It is an amenable number.

379982399136520 is an abundant number, since it is smaller than the sum of its proper divisors (525415734894200).

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

379982399136520 is a wasteful number, since it uses less digits than its factorization.

379982399136520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90091294 (or 90091290 counting only the distinct ones).

The product of its (nonzero) digits is 1190427840, while the sum is 76.

The spelling of 379982399136520 in words is "three hundred seventy-nine trillion, nine hundred eighty-two billion, three hundred ninety-nine million, one hundred thirty-six thousand, five hundred twenty".