19320456960 has 540 divisors, whose sum is σ = 80440152408. Its totient is φ = 4414943232.

The previous prime is 19320456959. The next prime is 19320456977. The reversal of 19320456960 is 6965402391.

19320456960 is a `hidden beast` number, since 1 + 9 + 3 + 20 + 4 + 569 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (540).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 5078419 + ... + 5082221.

Almost surely, 2^19320456960 is an apocalyptic number.

19320456960 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 19320456960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40220076204).

19320456960 is an abundant number, since it is smaller than the sum of its proper divisors (61119695448).

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

19320456960 is an equidigital number, since it uses as much as digits as its factorization.

19320456960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3820 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 19320456960 in words is "nineteen billion, three hundred twenty million, four hundred fifty-six thousand, nine hundred sixty".