19474560000 has 1320 divisors, whose sum is σ = 87481247040. Its totient is φ = 4257792000.

The previous prime is 19474559971. The next prime is 19474560011. The reversal of 19474560000 is 6547491.

19474560000 is a `hidden beast` number, since 1 + 9 + 4 + 7 + 45 + 600 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 846719989 + ... + 846720011.

It is an arithmetic number, because the mean of its divisors is an integer number (66273672).

Almost surely, 2^19474560000 is an apocalyptic number.

19474560000 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 19474560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43740623520).

19474560000 is an abundant number, since it is smaller than the sum of its proper divisors (68006687040).

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

19474560000 is an equidigital number, since it uses as much as digits as its factorization.

19474560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 19474560000 in words is "nineteen billion, four hundred seventy-four million, five hundred sixty thousand".