188488980492 has 48 divisors (see below), whose sum is σ = 440722840320. Its totient is φ = 62699023552.

The previous prime is 188488980469. The next prime is 188488980503. The reversal of 188488980492 is 294089884881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17595634 + ... + 17606342.

It is an arithmetic number, because the mean of its divisors is an integer number (9181725840).

Almost surely, 2^188488980492 is an apocalyptic number.

188488980492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188488980492 is an abundant number, since it is smaller than the sum of its proper divisors (252233859828).

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

188488980492 is a wasteful number, since it uses less digits than its factorization.

188488980492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630 (or 13628 counting only the distinct ones).

The product of its (nonzero) digits is 84934656, while the sum is 69.

The spelling of 188488980492 in words is "one hundred eighty-eight billion, four hundred eighty-eight million, nine hundred eighty thousand, four hundred ninety-two".