18882970580 has 18 divisors (see below), whose sum is σ = 39655528794. Its totient is φ = 7552942416.

The previous prime is 18882970567. The next prime is 18882970597. The reversal of 18882970580 is 8507928881.

It can be written as a sum of positive squares in only one way, i.e., 15106376464 + 3776594116 = 122908^2 + 61454^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 599177 + ... + 629903.

It is an arithmetic number, because the mean of its divisors is an integer number (2203084933).

Almost surely, 2^18882970580 is an apocalyptic number.

18882970580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18882970580 is an abundant number, since it is smaller than the sum of its proper divisors (20772558214).

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

18882970580 is an frugal number, since it uses more digits than its factorization.

18882970580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61463 (or 30734 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 56.

The spelling of 18882970580 in words is "eighteen billion, eight hundred eighty-two million, nine hundred seventy thousand, five hundred eighty".