19128898560 has 176 divisors, whose sum is σ = 61370697600. Its totient is φ = 5085364224.

The previous prime is 19128898517. The next prime is 19128898631. The reversal of 19128898560 is 6589882191.

It is a self number, because there is not a number n which added to its sum of digits gives 19128898560.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5512506 + ... + 5515974.

Almost surely, 2^19128898560 is an apocalyptic number.

19128898560 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 19128898560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30685348800).

19128898560 is an abundant number, since it is smaller than the sum of its proper divisors (42241799040).

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

19128898560 is a wasteful number, since it uses less digits than its factorization.

19128898560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856 (or 3838 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 57.

The spelling of 19128898560 in words is "nineteen billion, one hundred twenty-eight million, eight hundred ninety-eight thousand, five hundred sixty".