544043540 has 12 divisors (see below), whose sum is σ = 1142491476. Its totient is φ = 217617408.

The previous prime is 544043531. The next prime is 544043579. The reversal of 544043540 is 45340445.

It can be written as a sum of positive squares in 2 ways, for example, as 165585424 + 378458116 = 12868^2 + 19454^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13601069 + ... + 13601108.

It is an arithmetic number, because the mean of its divisors is an integer number (95207623).

Almost surely, 2^544043540 is an apocalyptic number.

It is an amenable number.

544043540 is an abundant number, since it is smaller than the sum of its proper divisors (598447936).

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

544043540 is a wasteful number, since it uses less digits than its factorization.

544043540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27202186 (or 27202184 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 544043540 is about 23324.7409417554. The cubic root of 544043540 is about 816.3527986337.

Adding to 544043540 its reverse (45340445), we get a palindrome (589383985).

The spelling of 544043540 in words is "five hundred forty-four million, forty-three thousand, five hundred forty".