5256784544 has 48 divisors (see below), whose sum is σ = 11337169536. Its totient is φ = 2379494400.

The previous prime is 5256784541. The next prime is 5256784553. The reversal of 5256784544 is 4454876525.

It is a junction number, because it is equal to n+sod(n) for n = 5256784492 and 5256784501.

It is not an unprimeable number, because it can be changed into a prime (5256784541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53849 + ... + 115815.

It is an arithmetic number, because the mean of its divisors is an integer number (236191032).

Almost surely, 2^5256784544 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 5256784544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5668584768).

5256784544 is an abundant number, since it is smaller than the sum of its proper divisors (6080384992).

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

5256784544 is a wasteful number, since it uses less digits than its factorization.

5256784544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62229 (or 62221 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 50.

The square root of 5256784544 is about 72503.6864166230. The cubic root of 5256784544 is about 1738.7616749566.

The spelling of 5256784544 in words is "five billion, two hundred fifty-six million, seven hundred eighty-four thousand, five hundred forty-four".