544128 has 64 divisors (see below), whose sum is σ = 1570800. Its totient is φ = 165888.

The previous prime is 544123. The next prime is 544129. The reversal of 544128 is 821445.

544128 is nontrivially palindromic in base 7.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 544098 and 544107.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 544128.

It is not an unprimeable number, because it can be changed into a prime (544123) by changing a digit.

544128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4938 + ... + 5046.

2⁵⁴⁴¹²⁸ 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 544128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785400).

544128 is an abundant number, since it is smaller than the sum of its proper divisors (1026672).

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

544128 is a wasteful number, since it uses less digits than its factorization.

544128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 127 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 544128 is about 737.6503236629. The cubic root of 544128 is about 81.6395041325.

The spelling of 544128 in words is "five hundred forty-four thousand, one hundred twenty-eight".