19206242304 has 80 divisors (see below), whose sum is σ = 51220791600. Its totient is φ = 6401556480.

The previous prime is 19206242267. The next prime is 19206242323. The reversal of 19206242304 is 40324260291.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566759 + ... + 1578969.

It is an arithmetic number, because the mean of its divisors is an integer number (640259895).

Almost surely, 2^19206242304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19206242304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25610395800).

19206242304 is an abundant number, since it is smaller than the sum of its proper divisors (32014549296).

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

19206242304 is an frugal number, since it uses more digits than its factorization.

19206242304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12252 (or 12216 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 19206242304 in words is "nineteen billion, two hundred six million, two hundred forty-two thousand, three hundred four".