544421222144 has 36 divisors (see below), whose sum is σ = 1088151742104. Its totient is φ = 271850923008.

The previous prime is 544421222083. The next prime is 544421222159. The reversal of 544421222144 is 441222124445.

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, 1210862 + ... + 1598445.

Almost surely, 2^544421222144 is an apocalyptic number.

It is an amenable number.

544421222144 is a deficient number, since it is larger than the sum of its proper divisors (543730519960).

544421222144 is an equidigital number, since it uses as much as digits as its factorization.

544421222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810080 (or 2810066 counting only the distinct ones).

The product of its digits is 81920, while the sum is 35.

Adding to 544421222144 its reverse (441222124445), we get a palindrome (985643346589).

The spelling of 544421222144 in words is "five hundred forty-four billion, four hundred twenty-one million, two hundred twenty-two thousand, one hundred forty-four".