52844013640 has 64 divisors (see below), whose sum is σ = 130641336000. Its totient is φ = 19077738240.

The previous prime is 52844013623. The next prime is 52844013641. The reversal of 52844013640 is 4631044825.

52844013640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52844013640.

It is not an unprimeable number, because it can be changed into a prime (52844013641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370855 + ... + 493174.

It is an arithmetic number, because the mean of its divisors is an integer number (2041270875).

Almost surely, 2^52844013640 is an apocalyptic number.

It is an amenable number.

52844013640 is an abundant number, since it is smaller than the sum of its proper divisors (77797322360).

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

52844013640 is a wasteful number, since it uses less digits than its factorization.

52844013640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864190 (or 864186 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 52844013640 in words is "fifty-two billion, eight hundred forty-four million, thirteen thousand, six hundred forty".