52315235040 has 192 divisors, whose sum is σ = 167631508800. Its totient is φ = 13712424960.

The previous prime is 52315235033. The next prime is 52315235053. The reversal of 52315235040 is 4053251325.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52315234989 and 52315235007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6933670 + ... + 6941210.

It is an arithmetic number, because the mean of its divisors is an integer number (873080775).

Almost surely, 2^52315235040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52315235040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83815754400).

52315235040 is an abundant number, since it is smaller than the sum of its proper divisors (115316273760).

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

52315235040 is a wasteful number, since it uses less digits than its factorization.

52315235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805 (or 7797 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 52315235040 its reverse (4053251325), we get a palindrome (56368486365).

The spelling of 52315235040 in words is "fifty-two billion, three hundred fifteen million, two hundred thirty-five thousand, forty".