19408724032 has 28 divisors (see below), whose sum is σ = 39756583936. Its totient is φ = 9391317120.

The previous prime is 19408724017. The next prime is 19408724113. The reversal of 19408724032 is 23042780491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4889328 + ... + 4893295.

Almost surely, 2^19408724032 is an apocalyptic number.

It is an amenable number.

19408724032 is an abundant number, since it is smaller than the sum of its proper divisors (20347859904).

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

19408724032 is an equidigital number, since it uses as much as digits as its factorization.

19408724032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782666 (or 9782656 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 19408724032 in words is "nineteen billion, four hundred eight million, seven hundred twenty-four thousand, thirty-two".