180099406080 has 864 divisors, whose sum is σ = 721668310272. Its totient is φ = 41037004800.

The previous prime is 180099406073. The next prime is 180099406139. The reversal of 180099406080 is 80604990081.

180099406080 is a `hidden beast` number, since 1 + 80 + 0 + 99 + 406 + 0 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 177787654 + ... + 177788666.

It is an arithmetic number, because the mean of its divisors is an integer number (835264248).

Almost surely, 2^180099406080 is an apocalyptic number.

180099406080 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 180099406080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360834155136).

180099406080 is an abundant number, since it is smaller than the sum of its proper divisors (541568904192).

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

180099406080 is a wasteful number, since it uses less digits than its factorization.

180099406080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 180099406080 in words is "one hundred eighty billion, ninety-nine million, four hundred six thousand, eighty".