19344488056 has 16 divisors (see below), whose sum is σ = 36609897240. Its totient is φ = 9581848800.

The previous prime is 19344488047. The next prime is 19344488057. The reversal of 19344488056 is 65088444391.

It is a junction number, because it is equal to n+sod(n) for n = 19344487994 and 19344488012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19344488057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11298495 + ... + 11300206.

Almost surely, 2^19344488056 is an apocalyptic number.

It is an amenable number.

19344488056 is a deficient number, since it is larger than the sum of its proper divisors (17265409184).

19344488056 is a wasteful number, since it uses less digits than its factorization.

19344488056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22598814 (or 22598810 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 19344488056 in words is "nineteen billion, three hundred forty-four million, four hundred eighty-eight thousand, fifty-six".