18872219201380 has 24 divisors (see below), whose sum is σ = 39751393449600. Its totient is φ = 7526081370720.

The previous prime is 18872219201357. The next prime is 18872219201399. The reversal of 18872219201380 is 8310291227881.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425387580 + ... + 1425400819.

It is an arithmetic number, because the mean of its divisors is an integer number (1656308060400).

Almost surely, 2^{18872219201380} is an apocalyptic number.

18872219201380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18872219201380 is an abundant number, since it is smaller than the sum of its proper divisors (20879174248220).

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

18872219201380 is a wasteful number, since it uses less digits than its factorization.

18872219201380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850788739 (or 2850788737 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 18872219201380 in words is "eighteen trillion, eight hundred seventy-two billion, two hundred nineteen million, two hundred one thousand, three hundred eighty".