32280765872 has 40 divisors (see below), whose sum is σ = 62770982400. Its totient is φ = 16081894400.

The previous prime is 32280765851. The next prime is 32280765889. The reversal of 32280765872 is 27856708223.

It is a self number, because there is not a number n which added to its sum of digits gives 32280765872.

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, 7970504 + ... + 7974552.

It is an arithmetic number, because the mean of its divisors is an integer number (1569274560).

Almost surely, 2^32280765872 is an apocalyptic number.

It is an amenable number.

32280765872 is a deficient number, since it is larger than the sum of its proper divisors (30490216528).

32280765872 is a wasteful number, since it uses less digits than its factorization.

32280765872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741 (or 5735 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 32280765872 in words is "thirty-two billion, two hundred eighty million, seven hundred sixty-five thousand, eight hundred seventy-two".