32189945744 has 40 divisors (see below), whose sum is σ = 68230713312. Its totient is φ = 14590315520.

The previous prime is 32189945743. The next prime is 32189945771. The reversal of 32189945744 is 44754998123.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 32189945744.

It is not an unprimeable number, because it can be changed into a prime (32189945743) 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, 196934 + ... + 321189.

Almost surely, 2^32189945744 is an apocalyptic number.

It is an amenable number.

32189945744 is an abundant number, since it is smaller than the sum of its proper divisors (36040767568).

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

32189945744 is a wasteful number, since it uses less digits than its factorization.

32189945744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518495 (or 518489 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The spelling of 32189945744 in words is "thirty-two billion, one hundred eighty-nine million, nine hundred forty-five thousand, seven hundred forty-four".