5320320256 has 72 divisors (see below), whose sum is σ = 11106474624. Its totient is φ = 2538792960.

The previous prime is 5320320209. The next prime is 5320320307. The reversal of 5320320256 is 6520230235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891285 + ... + 3892651.

It is an arithmetic number, because the mean of its divisors is an integer number (154256592).

Almost surely, 2^5320320256 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 5320320256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5553237312).

5320320256 is an abundant number, since it is smaller than the sum of its proper divisors (5786154368).

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

5320320256 is a wasteful number, since it uses less digits than its factorization.

5320320256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 5320320256 is about 72940.5254710987. The cubic root of 5320320256 is about 1745.7387759145.

The spelling of 5320320256 in words is "five billion, three hundred twenty million, three hundred twenty thousand, two hundred fifty-six".