19493607360 has 112 divisors (see below), whose sum is σ = 61936884000. Its totient is φ = 5194543104.

The previous prime is 19493607359. The next prime is 19493607373. The reversal of 19493607360 is 6370639491.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480486 + ... + 1493594.

Almost surely, 2^19493607360 is an apocalyptic number.

19493607360 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 19493607360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30968442000).

19493607360 is an abundant number, since it is smaller than the sum of its proper divisors (42443276640).

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

19493607360 is a wasteful number, since it uses less digits than its factorization.

19493607360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14678 (or 14668 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 19493607360 in words is "nineteen billion, four hundred ninety-three million, six hundred seven thousand, three hundred sixty".