5599456128 has 160 divisors (see below), whose sum is σ = 19044693360. Its totient is φ = 1599823872.

The previous prime is 5599456043. The next prime is 5599456129. The reversal of 5599456128 is 8216549955.

5599456128 is a `hidden beast` number, since 5 + 59 + 9 + 4 + 561 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5599456129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34000 + ... + 111152.

Almost surely, 2^5599456128 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 5599456128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9522346680).

5599456128 is an abundant number, since it is smaller than the sum of its proper divisors (13445237232).

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

5599456128 is an equidigital number, since it uses as much as digits as its factorization.

5599456128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77186 (or 77165 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The square root of 5599456128 is about 74829.5137495895. The cubic root of 5599456128 is about 1775.7505127996.

The spelling of 5599456128 in words is "five billion, five hundred ninety-nine million, four hundred fifty-six thousand, one hundred twenty-eight".