189249236000 has 384 divisors, whose sum is σ = 542090465280. Its totient is φ = 64167936000.

The previous prime is 189249235997. The next prime is 189249236023. The reversal of 189249236000 is 632942981.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84522881 + ... + 84525119.

It is an arithmetic number, because the mean of its divisors is an integer number (1411693920).

Almost surely, 2^189249236000 is an apocalyptic number.

189249236000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189249236000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271045232640).

189249236000 is an abundant number, since it is smaller than the sum of its proper divisors (352841229280).

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

189249236000 is a wasteful number, since it uses less digits than its factorization.

189249236000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 189249236000 in words is "one hundred eighty-nine billion, two hundred forty-nine million, two hundred thirty-six thousand".