19748520960 has 528 divisors, whose sum is σ = 77400181440. Its totient is φ = 4273274880.

The previous prime is 19748520937. The next prime is 19748520973. The reversal of 19748520960 is 6902584791.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14299470 + ... + 14300850.

Almost surely, 2^19748520960 is an apocalyptic number.

19748520960 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 19748520960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38700090720).

19748520960 is an abundant number, since it is smaller than the sum of its proper divisors (57651660480).

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

19748520960 is a wasteful number, since it uses less digits than its factorization.

19748520960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 19748520960 in words is "nineteen billion, seven hundred forty-eight million, five hundred twenty thousand, nine hundred sixty".