32564703792 has 40 divisors (see below), whose sum is σ = 84157312000. Its totient is φ = 10850794560.

The previous prime is 32564703781. The next prime is 32564703797. The reversal of 32564703792 is 29730746523.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (32564703797) 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, 1209 + ... + 255207.

It is an arithmetic number, because the mean of its divisors is an integer number (2103932800).

Almost surely, 2^32564703792 is an apocalyptic number.

It is an amenable number.

32564703792 is an abundant number, since it is smaller than the sum of its proper divisors (51592608208).

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

32564703792 is a wasteful number, since it uses less digits than its factorization.

32564703792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256681 (or 256675 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 32564703792 in words is "thirty-two billion, five hundred sixty-four million, seven hundred three thousand, seven hundred ninety-two".