19238974880 has 48 divisors (see below), whose sum is σ = 46222475040. Its totient is φ = 7565152512.

The previous prime is 19238974861. The next prime is 19238974907. The reversal of 19238974880 is 8847983291.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009574 + ... + 1028453.

It is an arithmetic number, because the mean of its divisors is an integer number (962968230).

Almost surely, 2^19238974880 is an apocalyptic number.

19238974880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19238974880 is an abundant number, since it is smaller than the sum of its proper divisors (26983500160).

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

19238974880 is a wasteful number, since it uses less digits than its factorization.

19238974880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038101 (or 2038093 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 19238974880 in words is "nineteen billion, two hundred thirty-eight million, nine hundred seventy-four thousand, eight hundred eighty".