65502332928 has 72 divisors (see below), whose sum is σ = 189182816550. Its totient is φ = 21834104832.

The previous prime is 65502332923. The next prime is 65502332939. The reversal of 65502332928 is 82923320556.

65502332928 is a `hidden beast` number, since 6 + 550 + 2 + 3 + 3 + 2 + 92 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48879903744 + 16622429184 = 221088^2 + 128928^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (65502332921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1758433 + ... + 1795296.

Almost surely, 2^65502332928 is an apocalyptic number.

It is an amenable number.

65502332928 is an abundant number, since it is smaller than the sum of its proper divisors (123680483622).

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

65502332928 is a wasteful number, since it uses less digits than its factorization.

65502332928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553757 (or 3553734 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 65502332928 in words is "sixty-five billion, five hundred two million, three hundred thirty-two thousand, nine hundred twenty-eight".