19597420480 has 448 divisors, whose sum is σ = 58305070080. Its totient is φ = 6181683200.

The previous prime is 19597420459. The next prime is 19597420487. The reversal of 19597420480 is 8402479591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19597420487) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 39913035 + ... + 39913525.

Almost surely, 2^19597420480 is an apocalyptic number.

19597420480 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 19597420480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29152535040).

19597420480 is an abundant number, since it is smaller than the sum of its proper divisors (38707649600).

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

19597420480 is a wasteful number, since it uses less digits than its factorization.

19597420480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 19597420480 in words is "nineteen billion, five hundred ninety-seven million, four hundred twenty thousand, four hundred eighty".