19444957032 has 32 divisors (see below), whose sum is σ = 48631826880. Its totient is φ = 6479061120.

The previous prime is 19444956997. The next prime is 19444957033. The reversal of 19444957032 is 23075944491.

It is not an unprimeable number, because it can be changed into a prime (19444957033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100188 + ... + 221195.

It is an arithmetic number, because the mean of its divisors is an integer number (1519744590).

Almost surely, 2^19444957032 is an apocalyptic number.

19444957032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19444957032 is an abundant number, since it is smaller than the sum of its proper divisors (29186869848).

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

19444957032 is a wasteful number, since it uses less digits than its factorization.

19444957032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323913 (or 323909 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 19444957032 in words is "nineteen billion, four hundred forty-four million, nine hundred fifty-seven thousand, thirty-two".