189642841080 has 512 divisors, whose sum is σ = 752408248320. Its totient is φ = 37020672000.

The previous prime is 189642841061. The next prime is 189642841121. The reversal of 189642841080 is 80148246981.

189642841080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 161948895 + ... + 161950065.

It is an arithmetic number, because the mean of its divisors is an integer number (1469547360).

Almost surely, 2^189642841080 is an apocalyptic number.

189642841080 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 189642841080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376204124160).

189642841080 is an abundant number, since it is smaller than the sum of its proper divisors (562765407240).

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

189642841080 is a wasteful number, since it uses less digits than its factorization.

189642841080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 189642841080 in words is "one hundred eighty-nine billion, six hundred forty-two million, eight hundred forty-one thousand, eighty".