189086045232 has 40 divisors (see below), whose sum is σ = 558254039296. Its totient is φ = 54024584256.

The previous prime is 189086045189. The next prime is 189086045233. The reversal of 189086045232 is 232540680981.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (189086045233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281377708 + ... + 281378379.

Almost surely, 2^189086045232 is an apocalyptic number.

189086045232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189086045232 is an abundant number, since it is smaller than the sum of its proper divisors (369167994064).

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

189086045232 is a wasteful number, since it uses less digits than its factorization.

189086045232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562756105 (or 562756099 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 189086045232 in words is "one hundred eighty-nine billion, eighty-six million, forty-five thousand, two hundred thirty-two".