189847342080 has 352 divisors, whose sum is σ = 736023905280. Its totient is φ = 46023229440.

The previous prime is 189847342043. The next prime is 189847342123. The reversal of 189847342080 is 80243748981.

It is a happy number.

189847342080 is a `hidden beast` number, since 1 + 8 + 98 + 473 + 4 + 2 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (352).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1458217 + ... + 1583063.

Almost surely, 2^189847342080 is an apocalyptic number.

189847342080 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 189847342080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368011952640).

189847342080 is an abundant number, since it is smaller than the sum of its proper divisors (546176563200).

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

189847342080 is a wasteful number, since it uses less digits than its factorization.

189847342080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124892 (or 124868 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 189847342080 in words is "one hundred eighty-nine billion, eight hundred forty-seven million, three hundred forty-two thousand, eighty".