5544238128 has 160 divisors (see below), whose sum is σ = 16864753920. Its totient is φ = 1547320320.

The previous prime is 5544238103. The next prime is 5544238181. The reversal of 5544238128 is 8218324455.

It is a self number, because there is not a number n which added to its sum of digits gives 5544238128.

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, 5071950 + ... + 5073042.

It is an arithmetic number, because the mean of its divisors is an integer number (105404712).

Almost surely, 2^5544238128 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 5544238128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8432376960).

5544238128 is an abundant number, since it is smaller than the sum of its proper divisors (11320515792).

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

5544238128 is a wasteful number, since it uses less digits than its factorization.

5544238128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867 (or 1861 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 5544238128 is about 74459.6409338643. The cubic root of 5544238128 is about 1769.8941415831.

The spelling of 5544238128 in words is "five billion, five hundred forty-four million, two hundred thirty-eight thousand, one hundred twenty-eight".