52071813340 has 12 divisors (see below), whose sum is σ = 109350808056. Its totient is φ = 20828725328.

The previous prime is 52071813317. The next prime is 52071813341. The reversal of 52071813340 is 4331817025.

It is a super-2 number, since 2×52071813340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52071813296 and 52071813305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52071813341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301795314 + ... + 1301795353.

It is an arithmetic number, because the mean of its divisors is an integer number (9112567338).

Almost surely, 2^52071813340 is an apocalyptic number.

It is an amenable number.

52071813340 is an abundant number, since it is smaller than the sum of its proper divisors (57278994716).

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

52071813340 is a wasteful number, since it uses less digits than its factorization.

52071813340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603590676 (or 2603590674 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 52071813340 in words is "fifty-two billion, seventy-one million, eight hundred thirteen thousand, three hundred forty".