19865260096 has 56 divisors (see below), whose sum is σ = 43020179136. Its totient is φ = 9026219520.

The previous prime is 19865260081. The next prime is 19865260097. The reversal of 19865260096 is 69006256891.

It is not an unprimeable number, because it can be changed into a prime (19865260097) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3176845 + ... + 3183091.

Almost surely, 2^19865260096 is an apocalyptic number.

19865260096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19865260096 is an abundant number, since it is smaller than the sum of its proper divisors (23154919040).

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

19865260096 is a wasteful number, since it uses less digits than its factorization.

19865260096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787 (or 10777 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 19865260096 in words is "nineteen billion, eight hundred sixty-five million, two hundred sixty thousand, ninety-six".