52144081632 has 72 divisors (see below), whose sum is σ = 154731914064. Its totient is φ = 16625647104.

The previous prime is 52144081621. The next prime is 52144081637. The reversal of 52144081632 is 23618044125.

It is a happy number.

52144081632 is a `hidden beast` number, since 5 + 2 + 14 + 4 + 0 + 8 + 1 + 632 = 666.

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

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 (52144081637) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3929373 + ... + 3942620.

It is an arithmetic number, because the mean of its divisors is an integer number (2149054362).

Almost surely, 2^52144081632 is an apocalyptic number.

It is an amenable number.

52144081632 is an abundant number, since it is smaller than the sum of its proper divisors (102587832432).

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

52144081632 is a wasteful number, since it uses less digits than its factorization.

52144081632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872032 (or 7872021 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 52144081632 in words is "fifty-two billion, one hundred forty-four million, eighty-one thousand, six hundred thirty-two".