52720403244 has 12 divisors (see below), whose sum is σ = 123014274264. Its totient is φ = 17573467744.

The previous prime is 52720403237. The next prime is 52720403293. The reversal of 52720403244 is 44230402725.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196683457 + ... + 2196683480.

It is an arithmetic number, because the mean of its divisors is an integer number (10251189522).

Almost surely, 2^52720403244 is an apocalyptic number.

It is an amenable number.

52720403244 is an abundant number, since it is smaller than the sum of its proper divisors (70293871020).

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

52720403244 is a wasteful number, since it uses less digits than its factorization.

52720403244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393366944 (or 4393366942 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 33.

Adding to 52720403244 its reverse (44230402725), we get a palindrome (96950805969).

The spelling of 52720403244 in words is "fifty-two billion, seven hundred twenty million, four hundred three thousand, two hundred forty-four".