19696575360 has 768 divisors, whose sum is σ = 83330311680. Its totient is φ = 3843686400.

The previous prime is 19696575323. The next prime is 19696575383. The reversal of 19696575360 is 6357569691.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19696575360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42725530 + ... + 42725990.

It is an arithmetic number, because the mean of its divisors is an integer number (108503010).

Almost surely, 2^19696575360 is an apocalyptic number.

19696575360 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 19696575360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41665155840).

19696575360 is an abundant number, since it is smaller than the sum of its proper divisors (63633736320).

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

19696575360 is a wasteful number, since it uses less digits than its factorization.

19696575360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 57.

The spelling of 19696575360 in words is "nineteen billion, six hundred ninety-six million, five hundred seventy-five thousand, three hundred sixty".