5256143368 has 96 divisors (see below), whose sum is σ = 12188880000. Its totient is φ = 2111359488.

The previous prime is 5256143363. The next prime is 5256143369. The reversal of 5256143368 is 8633416525.

It is not an unprimeable number, because it can be changed into a prime (5256143363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1751133 + ... + 1754131.

It is an arithmetic number, because the mean of its divisors is an integer number (126967500).

Almost surely, 2^5256143368 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 5256143368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6094440000).

5256143368 is an abundant number, since it is smaller than the sum of its proper divisors (6932736632).

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

5256143368 is a wasteful number, since it uses less digits than its factorization.

5256143368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299 (or 3288 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 5256143368 is about 72499.2646031668. The cubic root of 5256143368 is about 1738.6909791680.

The spelling of 5256143368 in words is "five billion, two hundred fifty-six million, one hundred forty-three thousand, three hundred sixty-eight".