32144444889968 has 40 divisors (see below), whose sum is σ = 62313000077328. Its totient is φ = 16063673006592.

The previous prime is 32144444889881. The next prime is 32144444889979. The reversal of 32144444889968 is 86998844444123.

It is a junction number, because it is equal to n+sod(n) for n = 32144444889895 and 32144444889904.

It is a congruent number.

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, 232873580 + ... + 233011572.

Almost surely, 2^{32144444889968} is an apocalyptic number.

It is an amenable number.

32144444889968 is a deficient number, since it is larger than the sum of its proper divisors (30168555187360).

32144444889968 is a wasteful number, since it uses less digits than its factorization.

32144444889968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145641 (or 145635 counting only the distinct ones).

The product of its digits is 1528823808, while the sum is 74.

The spelling of 32144444889968 in words is "thirty-two trillion, one hundred forty-four billion, four hundred forty-four million, eight hundred eighty-nine thousand, nine hundred sixty-eight".