18882532180 has 48 divisors (see below), whose sum is σ = 41438646144. Its totient is φ = 7213923200.

The previous prime is 18882532133. The next prime is 18882532199. The reversal of 18882532180 is 8123528881.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 18882532180.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 284130 + ... + 344230.

It is an arithmetic number, because the mean of its divisors is an integer number (863305128).

Almost surely, 2^18882532180 is an apocalyptic number.

18882532180 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 18882532180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20719323072).

18882532180 is an abundant number, since it is smaller than the sum of its proper divisors (22556113964).

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

18882532180 is a wasteful number, since it uses less digits than its factorization.

18882532180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60816 (or 60814 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 46.

The spelling of 18882532180 in words is "eighteen billion, eight hundred eighty-two million, five hundred thirty-two thousand, one hundred eighty".