544020 has 24 divisors (see below), whose sum is σ = 1523424. Its totient is φ = 145056.

The previous prime is 544013. The next prime is 544021. The reversal of 544020 is 20445.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544021) by changing a digit.

544020 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 7 ways as a sum of consecutive naturals, for example, 4474 + ... + 4593.

It is an arithmetic number, because the mean of its divisors is an integer number (63476).

2⁵⁴⁴⁰²⁰ is an apocalyptic number.

It is an amenable number.

544020 is an abundant number, since it is smaller than the sum of its proper divisors (979404).

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

544020 is a wasteful number, since it uses less digits than its factorization.

544020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9079 (or 9077 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 544020 is about 737.5771146124. The cubic root of 544020 is about 81.6341024317.

Adding to 544020 its reverse (20445), we get a palindrome (564465).

It can be divided in two parts, 5440 and 20, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 544020 in words is "five hundred forty-four thousand, twenty".