544040 has 64 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 177408.

The previous prime is 544031. The next prime is 544097. The reversal of 544040 is 40445.

It is an unprimeable number.

544040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8087 + ... + 8153.

It is an arithmetic number, because the mean of its divisors is an integer number (22950).

2⁵⁴⁴⁰⁴⁰ 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 544040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734400).

544040 is an abundant number, since it is smaller than the sum of its proper divisors (924760).

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

544040 is a wasteful number, since it uses less digits than its factorization.

544040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 544040 is about 737.5906723922. The cubic root of 544040 is about 81.6351028006.

Adding to 544040 its reverse (40445), we get a palindrome (584485).

The spelling of 544040 in words is "five hundred forty-four thousand, forty".