19368244224 has 264 divisors, whose sum is σ = 64883153088. Its totient is φ = 5449973760.

The previous prime is 19368244213. The next prime is 19368244229. The reversal of 19368244224 is 42244286391.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 19368244224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19368244229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4320064 + ... + 4324544.

Almost surely, 2^19368244224 is an apocalyptic number.

19368244224 is a gapful number since it is divisible by the number (14) 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 19368244224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32441576544).

19368244224 is an abundant number, since it is smaller than the sum of its proper divisors (45514908864).

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

19368244224 is a wasteful number, since it uses less digits than its factorization.

19368244224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581 (or 4560 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The spelling of 19368244224 in words is "nineteen billion, three hundred sixty-eight million, two hundred forty-four thousand, two hundred twenty-four".