65924040832 has 32 divisors (see below), whose sum is σ = 141435595980. Its totient is φ = 30426479616.

The previous prime is 65924040829. The next prime is 65924040851. The reversal of 65924040832 is 23804042956.

It can be written as a sum of positive squares in 2 ways, for example, as 57434998336 + 8489042496 = 239656^2 + 92136^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19807243 + ... + 19810570.

Almost surely, 2^65924040832 is an apocalyptic number.

It is an amenable number.

65924040832 is an abundant number, since it is smaller than the sum of its proper divisors (75511555148).

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

65924040832 is a wasteful number, since it uses less digits than its factorization.

65924040832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39617840 (or 39617828 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 65924040832 in words is "sixty-five billion, nine hundred twenty-four million, forty thousand, eight hundred thirty-two".