52740320540 has 24 divisors (see below), whose sum is σ = 110810328720. Its totient is φ = 21085527168.

The previous prime is 52740320539. The next prime is 52740320561. The reversal of 52740320540 is 4502304725.

It is a junction number, because it is equal to n+sod(n) for n = 52740320497 and 52740320506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621710 + ... + 701429.

It is an arithmetic number, because the mean of its divisors is an integer number (4617097030).

Almost surely, 2^52740320540 is an apocalyptic number.

It is an amenable number.

52740320540 is an abundant number, since it is smaller than the sum of its proper divisors (58070008180).

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

52740320540 is a wasteful number, since it uses less digits than its factorization.

52740320540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325141 (or 1325139 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The spelling of 52740320540 in words is "fifty-two billion, seven hundred forty million, three hundred twenty thousand, five hundred forty".