5128312320 has 240 divisors, whose sum is σ = 17941521312. Its totient is φ = 1353646080.

The previous prime is 5128312313. The next prime is 5128312331. The reversal of 5128312320 is 232138215.

5128312320 is a `hidden beast` number, since 5 + 1 + 28 + 312 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2372040 + ... + 2374200.

Almost surely, 2^5128312320 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 5128312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8970760656).

5128312320 is an abundant number, since it is smaller than the sum of its proper divisors (12813208992).

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

5128312320 is a wasteful number, since it uses less digits than its factorization.

5128312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5128312320 is about 71612.2358260095. The cubic root of 5128312320 is about 1724.4799743115.

The spelling of 5128312320 in words is "five billion, one hundred twenty-eight million, three hundred twelve thousand, three hundred twenty".