52012440520 has 32 divisors (see below), whose sum is σ = 119749576320. Its totient is φ = 20321138880.

The previous prime is 52012440449. The next prime is 52012440521. The reversal of 52012440520 is 2504421025.

52012440520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52012440521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15118176 + ... + 15121615.

It is an arithmetic number, because the mean of its divisors is an integer number (3742174260).

Almost surely, 2^52012440520 is an apocalyptic number.

It is an amenable number.

52012440520 is an abundant number, since it is smaller than the sum of its proper divisors (67737135800).

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

52012440520 is a wasteful number, since it uses less digits than its factorization.

52012440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30239845 (or 30239841 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 52012440520 its reverse (2504421025), we get a palindrome (54516861545).

The spelling of 52012440520 in words is "fifty-two billion, twelve million, four hundred forty thousand, five hundred twenty".