32640585012 has 72 divisors (see below), whose sum is σ = 98439875520. Its totient is φ = 9325879920.

The previous prime is 32640584983. The next prime is 32640585017. The reversal of 32640585012 is 21058504623.

32640585012 is a `hidden beast` number, since 3 + 2 + 64 + 0 + 585 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32640585017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3078664 + ... + 3089247.

Almost surely, 2^32640585012 is an apocalyptic number.

It is an amenable number.

32640585012 is an abundant number, since it is smaller than the sum of its proper divisors (65799290508).

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

32640585012 is a wasteful number, since it uses less digits than its factorization.

32640585012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167938 (or 6167923 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 32640585012 in words is "thirty-two billion, six hundred forty million, five hundred eighty-five thousand, twelve".