544928020 has 72 divisors (see below), whose sum is σ = 1433613384. Its totient is φ = 172456704.

The previous prime is 544927997. The next prime is 544928063. The reversal of 544928020 is 20829445.

It can be written as a sum of positive squares in 4 ways, for example, as 6780816 + 538147204 = 2604^2 + 23198^2 .

It is a super-2 number, since 2×544928020² = 593893093962240800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8647 + ... + 34126.

It is an arithmetic number, because the mean of its divisors is an integer number (19911297).

Almost surely, 2^544928020 is an apocalyptic number.

It is an amenable number.

544928020 is an abundant number, since it is smaller than the sum of its proper divisors (888685364).

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

544928020 is a wasteful number, since it uses less digits than its factorization.

544928020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42809 (or 42800 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 544928020 is about 23343.6933667318. The cubic root of 544928020 is about 816.7949549031.

The spelling of 544928020 in words is "five hundred forty-four million, nine hundred twenty-eight thousand, twenty".