52744732668 has 18 divisors (see below), whose sum is σ = 133326963224. Its totient is φ = 17581577544.

The previous prime is 52744732609. The next prime is 52744732679. The reversal of 52744732668 is 86623744725.

52744732668 is a `hidden beast` number, since 5 + 274 + 47 + 326 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 732565696 + ... + 732565767.

Almost surely, 2^52744732668 is an apocalyptic number.

It is an amenable number.

52744732668 is an abundant number, since it is smaller than the sum of its proper divisors (80582230556).

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

52744732668 is a wasteful number, since it uses less digits than its factorization.

52744732668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465131473 (or 1465131468 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 52744732668 in words is "fifty-two billion, seven hundred forty-four million, seven hundred thirty-two thousand, six hundred sixty-eight".