32385640072 has 16 divisors (see below), whose sum is σ = 60729411600. Its totient is φ = 16191130320.

The previous prime is 32385640013. The next prime is 32385640093. The reversal of 32385640072 is 27004658323.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127822 + ... + 284797.

It is an arithmetic number, because the mean of its divisors is an integer number (3795588225).

Almost surely, 2^32385640072 is an apocalyptic number.

It is an amenable number.

32385640072 is a deficient number, since it is larger than the sum of its proper divisors (28343771528).

32385640072 is a wasteful number, since it uses less digits than its factorization.

32385640072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422436 (or 422432 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 32385640072 in words is "thirty-two billion, three hundred eighty-five million, six hundred forty thousand, seventy-two".