5187328344 has 128 divisors (see below), whose sum is σ = 15786144000. Its totient is φ = 1565222400.

The previous prime is 5187328327. The next prime is 5187328403. The reversal of 5187328344 is 4438237815.

5187328344 is a `hidden beast` number, since 518 + 73 + 28 + 3 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5187328344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 568087 + ... + 577145.

It is an arithmetic number, because the mean of its divisors is an integer number (123329250).

Almost surely, 2^5187328344 is an apocalyptic number.

5187328344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5187328344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7893072000).

5187328344 is an abundant number, since it is smaller than the sum of its proper divisors (10598815656).

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

5187328344 is a wasteful number, since it uses less digits than its factorization.

5187328344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9326 (or 9316 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 5187328344 is about 72023.1097912330. The cubic root of 5187328344 is about 1731.0697988549.

It can be divided in two parts, 518732 and 8344, that added together give a square (527076 = 726²).

The spelling of 5187328344 in words is "five billion, one hundred eighty-seven million, three hundred twenty-eight thousand, three hundred forty-four".