19295983056 has 320 divisors, whose sum is σ = 60188147712. Its totient is φ = 5213085696.

The previous prime is 19295983043. The next prime is 19295983073. The reversal of 19295983056 is 65038959291.

It is a junction number, because it is equal to n+sod(n) for n = 19295982987 and 19295983005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86528961 + ... + 86529183.

Almost surely, 2^19295983056 is an apocalyptic number.

19295983056 is a gapful number since it is divisible by the number (16) 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 19295983056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30094073856).

19295983056 is an abundant number, since it is smaller than the sum of its proper divisors (40892164656).

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

19295983056 is a wasteful number, since it uses less digits than its factorization.

19295983056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 57.

The spelling of 19295983056 in words is "nineteen billion, two hundred ninety-five million, nine hundred eighty-three thousand, fifty-six".