19572044968 has 16 divisors (see below), whose sum is σ = 41940096480. Its totient is φ = 8388019248.

The previous prime is 19572044963. The next prime is 19572045001. The reversal of 19572044968 is 86944027591.

It is not an unprimeable number, because it can be changed into a prime (19572044963) 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, 174750346 + ... + 174750457.

It is an arithmetic number, because the mean of its divisors is an integer number (2621256030).

Almost surely, 2^19572044968 is an apocalyptic number.

It is an amenable number.

19572044968 is an abundant number, since it is smaller than the sum of its proper divisors (22368051512).

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

19572044968 is a wasteful number, since it uses less digits than its factorization.

19572044968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349500816 (or 349500812 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 19572044968 in words is "nineteen billion, five hundred seventy-two million, forty-four thousand, nine hundred sixty-eight".