188057431380 has 192 divisors, whose sum is σ = 676252459008. Its totient is φ = 37952893440.

The previous prime is 188057431363. The next prime is 188057431409. The reversal of 188057431380 is 83134750881.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 623176 + ... + 874335.

It is an arithmetic number, because the mean of its divisors is an integer number (3522148224).

Almost surely, 2^188057431380 is an apocalyptic number.

188057431380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188057431380 is an abundant number, since it is smaller than the sum of its proper divisors (488195027628).

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

188057431380 is a wasteful number, since it uses less digits than its factorization.

188057431380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497566 (or 1497564 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 188057431380 in words is "one hundred eighty-eight billion, fifty-seven million, four hundred thirty-one thousand, three hundred eighty".