19232905900 has 108 divisors (see below), whose sum is σ = 46986631552. Its totient is φ = 6792382080.

The previous prime is 19232905859. The next prime is 19232905927. The reversal of 19232905900 is 950923291.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 673717 + ... + 701683.

Almost surely, 2^19232905900 is an apocalyptic number.

19232905900 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 19232905900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23493315776).

19232905900 is an abundant number, since it is smaller than the sum of its proper divisors (27753725652).

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

19232905900 is a wasteful number, since it uses less digits than its factorization.

19232905900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28040 (or 28010 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 19232905900 in words is "nineteen billion, two hundred thirty-two million, nine hundred five thousand, nine hundred".