544213444 has 12 divisors (see below), whose sum is σ = 953252524. Its totient is φ = 271855584.

The previous prime is 544213433. The next prime is 544213451. The reversal of 544213444 is 444312445.

It can be written as a sum of positive squares in 2 ways, for example, as 508953600 + 35259844 = 22560^2 + 5938^2 .

It is a super-2 number, since 2×544213444² = 592336545260682272, which contains 22 as substring.

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, 57867 + ... + 66610.

Almost surely, 2^544213444 is an apocalyptic number.

It is an amenable number.

544213444 is a deficient number, since it is larger than the sum of its proper divisors (409039080).

544213444 is a wasteful number, since it uses less digits than its factorization.

544213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125574 (or 125572 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 544213444 is about 23328.3827986425. The cubic root of 544213444 is about 816.4377717161.

Adding to 544213444 its reverse (444312445), we get a palindrome (988525889).

Subtracting from 544213444 its reverse (444312445), we obtain a palindrome (99900999).

The spelling of 544213444 in words is "five hundred forty-four million, two hundred thirteen thousand, four hundred forty-four".