32325768864 has 144 divisors (see below), whose sum is σ = 96860836800. Its totient is φ = 10197992448.

The previous prime is 32325768841. The next prime is 32325768877. The reversal of 32325768864 is 46886752323.

32325768864 is a `hidden beast` number, since 3 + 2 + 3 + 2 + 576 + 8 + 8 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 32325768864.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7051117 + ... + 7055699.

It is an arithmetic number, because the mean of its divisors is an integer number (672644700).

Almost surely, 2^32325768864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32325768864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48430418400).

32325768864 is an abundant number, since it is smaller than the sum of its proper divisors (64535067936).

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

32325768864 is a wasteful number, since it uses less digits than its factorization.

32325768864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907 (or 5896 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 32325768864 in words is "thirty-two billion, three hundred twenty-five million, seven hundred sixty-eight thousand, eight hundred sixty-four".