19796892388560 has 480 divisors, whose sum is σ = 80643153007872. Its totient is φ = 4248703549440.

The previous prime is 19796892388529. The next prime is 19796892388561. The reversal of 19796892388560 is 6588329869791.

19796892388560 is a `hidden beast` number, since 1 + 9 + 7 + 96 + 8 + 92 + 388 + 5 + 60 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 19796892388560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19796892388561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35796867 + ... + 36345693.

Almost surely, 2^{19796892388560} is an apocalyptic number.

19796892388560 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 19796892388560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40321576503936).

19796892388560 is an abundant number, since it is smaller than the sum of its proper divisors (60846260619312).

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

19796892388560 is a wasteful number, since it uses less digits than its factorization.

19796892388560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549291 (or 549282 counting only the distinct ones).

The product of its (nonzero) digits is 2821754880, while the sum is 81.

The spelling of 19796892388560 in words is "nineteen trillion, seven hundred ninety-six billion, eight hundred ninety-two million, three hundred eighty-eight thousand, five hundred sixty".