52031331240 has 256 divisors, whose sum is σ = 184934154240. Its totient is φ = 11460096000.

The previous prime is 52031331227. The next prime is 52031331259. The reversal of 52031331240 is 4213313025.

52031331240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 52031331240.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6271495 + ... + 6279785.

It is an arithmetic number, because the mean of its divisors is an integer number (722399040).

Almost surely, 2^52031331240 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 52031331240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92467077120).

52031331240 is an abundant number, since it is smaller than the sum of its proper divisors (132902823000).

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

52031331240 is a wasteful number, since it uses less digits than its factorization.

52031331240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584 (or 8580 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 52031331240 its reverse (4213313025), we get a palindrome (56244644265).

The spelling of 52031331240 in words is "fifty-two billion, thirty-one million, three hundred thirty-one thousand, two hundred forty".