5256894720 has 576 divisors, whose sum is σ = 21870342144. Its totient is φ = 1043496960.

The previous prime is 5256894703. The next prime is 5256894767. The reversal of 5256894720 is 274986525.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 5256894720.

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, 6800254 + ... + 6801026.

It is an arithmetic number, because the mean of its divisors is an integer number (37969344).

Almost surely, 2^5256894720 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 5256894720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10935171072).

5256894720 is an abundant number, since it is smaller than the sum of its proper divisors (16613447424).

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

5256894720 is a wasteful number, since it uses less digits than its factorization.

5256894720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 5256894720 is about 72504.4462084912. The cubic root of 5256894720 is about 1738.7738223359.

The spelling of 5256894720 in words is "five billion, two hundred fifty-six million, eight hundred ninety-four thousand, seven hundred twenty".