538672189000 has 64 divisors (see below), whose sum is σ = 1375083216000. Its totient is φ = 195880792000.

The previous prime is 538672188997. The next prime is 538672189019. The reversal of 538672189000 is 981276835.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24474100 + ... + 24496099.

It is an arithmetic number, because the mean of its divisors is an integer number (21485675250).

Almost surely, 2^538672189000 is an apocalyptic number.

538672189000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

538672189000 is an abundant number, since it is smaller than the sum of its proper divisors (836411027000).

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

538672189000 is a wasteful number, since it uses less digits than its factorization.

538672189000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48970231 (or 48970217 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 538672189000 in words is "five hundred thirty-eight billion, six hundred seventy-two million, one hundred eighty-nine thousand".