52440200244 has 18 divisors (see below), whose sum is σ = 132557172930. Its totient is φ = 17480066736.

The previous prime is 52440200209. The next prime is 52440200249. The reversal of 52440200244 is 44200204425.

It can be written as a sum of positive squares in only one way, i.e., 49478663844 + 2961536400 = 222438^2 + 54420^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440200249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 728336079 + ... + 728336150.

It is an arithmetic number, because the mean of its divisors is an integer number (7364287385).

Almost surely, 2^52440200244 is an apocalyptic number.

It is an amenable number.

52440200244 is an abundant number, since it is smaller than the sum of its proper divisors (80116972686).

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

52440200244 is a wasteful number, since it uses less digits than its factorization.

52440200244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456672239 (or 1456672234 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 52440200244 its reverse (44200204425), we get a palindrome (96640404669).

The spelling of 52440200244 in words is "fifty-two billion, four hundred forty million, two hundred thousand, two hundred forty-four".