190557432380 has 24 divisors (see below), whose sum is σ = 457337838048. Its totient is φ = 65333976768.

The previous prime is 190557432311. The next prime is 190557432397. The reversal of 190557432380 is 83234755091.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680562119 + ... + 680562398.

It is an arithmetic number, because the mean of its divisors is an integer number (19055743252).

Almost surely, 2^190557432380 is an apocalyptic number.

190557432380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190557432380 is an abundant number, since it is smaller than the sum of its proper divisors (266780405668).

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

190557432380 is a wasteful number, since it uses less digits than its factorization.

190557432380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361124533 (or 1361124531 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 190557432380 in words is "one hundred ninety billion, five hundred fifty-seven million, four hundred thirty-two thousand, three hundred eighty".