19532942768 has 40 divisors (see below), whose sum is σ = 39468723840. Its totient is φ = 9353963520.

The previous prime is 19532942749. The next prime is 19532942771. The reversal of 19532942768 is 86724923591.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154883 + ... + 251106.

It is an arithmetic number, because the mean of its divisors is an integer number (986718096).

Almost surely, 2^19532942768 is an apocalyptic number.

It is an amenable number.

19532942768 is an abundant number, since it is smaller than the sum of its proper divisors (19935781072).

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

19532942768 is a wasteful number, since it uses less digits than its factorization.

19532942768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406125 (or 406119 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 56.

The spelling of 19532942768 in words is "nineteen billion, five hundred thirty-two million, nine hundred forty-two thousand, seven hundred sixty-eight".