189029029080 has 256 divisors, whose sum is σ = 582416179200. Its totient is φ = 49068264960.

The previous prime is 189029029037. The next prime is 189029029087. The reversal of 189029029080 is 80920920981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189029029087) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 335752879 + ... + 335753441.

It is an arithmetic number, because the mean of its divisors is an integer number (2275063200).

Almost surely, 2^189029029080 is an apocalyptic number.

189029029080 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 189029029080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291208089600).

189029029080 is an abundant number, since it is smaller than the sum of its proper divisors (393387150120).

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

189029029080 is a wasteful number, since it uses less digits than its factorization.

189029029080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 189029029080 in words is "one hundred eighty-nine billion, twenty-nine million, twenty-nine thousand, eighty".