190686492432 has 120 divisors (see below), whose sum is σ = 574626480480. Its totient is φ = 58809216000.

The previous prime is 190686492361. The next prime is 190686492443. The reversal of 190686492432 is 234294686091.

190686492432 is a `hidden beast` number, since 1 + 9 + 0 + 68 + 64 + 92 + 432 = 666.

190686492432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190686492432² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515694 + ... + 804557.

It is an arithmetic number, because the mean of its divisors is an integer number (4788554004).

Almost surely, 2^190686492432 is an apocalyptic number.

190686492432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190686492432 is an abundant number, since it is smaller than the sum of its proper divisors (383939988048).

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

190686492432 is a wasteful number, since it uses less digits than its factorization.

190686492432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320341 (or 1320332 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 190686492432 in words is "one hundred ninety billion, six hundred eighty-six million, four hundred ninety-two thousand, four hundred thirty-two".