52402771540 has 24 divisors (see below), whose sum is σ = 125766652032. Its totient is φ = 17966664480.

The previous prime is 52402771537. The next prime is 52402771607. The reversal of 52402771540 is 4517720425.

52402771540 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 52402771540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187152616 + ... + 187152895.

It is an arithmetic number, because the mean of its divisors is an integer number (5240277168).

Almost surely, 2^52402771540 is an apocalyptic number.

It is an amenable number.

52402771540 is an abundant number, since it is smaller than the sum of its proper divisors (73363880492).

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

52402771540 is a wasteful number, since it uses less digits than its factorization.

52402771540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374305527 (or 374305525 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 52402771540 in words is "fifty-two billion, four hundred two million, seven hundred seventy-one thousand, five hundred forty".