189119744000 has 384 divisors, whose sum is σ = 518824051200. Its totient is φ = 68239360000.

The previous prime is 189119743973. The next prime is 189119744029. The reversal of 189119744000 is 447911981.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 673023860 + ... + 673024140.

It is an arithmetic number, because the mean of its divisors is an integer number (1351104300).

Almost surely, 2^189119744000 is an apocalyptic number.

189119744000 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 189119744000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259412025600).

189119744000 is an abundant number, since it is smaller than the sum of its proper divisors (329704307200).

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

189119744000 is a wasteful number, since it uses less digits than its factorization.

189119744000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 189119744000 in words is "one hundred eighty-nine billion, one hundred nineteen million, seven hundred forty-four thousand".