19344214944 has 72 divisors (see below), whose sum is σ = 57905396640. Its totient is φ = 6108697728.

The previous prime is 19344214937. The next prime is 19344214991. The reversal of 19344214944 is 44941244391.

19344214944 is a `hidden beast` number, since 1 + 9 + 344 + 214 + 94 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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 19344214944.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762092 + ... + 1773035.

It is an arithmetic number, because the mean of its divisors is an integer number (804241620).

Almost surely, 2^19344214944 is an apocalyptic number.

It is an amenable number.

19344214944 is an abundant number, since it is smaller than the sum of its proper divisors (38561181696).

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

19344214944 is a wasteful number, since it uses less digits than its factorization.

19344214944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535162 (or 3535151 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 19344214944 in words is "nineteen billion, three hundred forty-four million, two hundred fourteen thousand, nine hundred forty-four".