19244252160 has 660 divisors, whose sum is σ = 80304088392. Its totient is φ = 4394041344.

The previous prime is 19244252063. The next prime is 19244252171. The reversal of 19244252160 is 6125244291.

It is a happy number.

19244252160 is a `hidden beast` number, since 1 + 9 + 2 + 442 + 52 + 160 = 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 59 ways as a sum of consecutive naturals, for example, 20320807 + ... + 20321753.

Almost surely, 2^19244252160 is an apocalyptic number.

19244252160 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 19244252160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40152044196).

19244252160 is an abundant number, since it is smaller than the sum of its proper divisors (61059836232).

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

19244252160 is an equidigital number, since it uses as much as digits as its factorization.

19244252160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 19244252160 in words is "nineteen billion, two hundred forty-four million, two hundred fifty-two thousand, one hundred sixty".