544231213444 has 24 divisors (see below), whose sum is σ = 1017494344160. Its totient is φ = 253946062656.

The previous prime is 544231213441. The next prime is 544231213453. The reversal of 544231213444 is 444312132445.

It is a happy number.

It is a super-2 number, since 2×544231213444² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (544231213441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53434737 + ... + 53444920.

Almost surely, 2^544231213444 is an apocalyptic number.

It is an amenable number.

544231213444 is a deficient number, since it is larger than the sum of its proper divisors (473263130716).

544231213444 is a wasteful number, since it uses less digits than its factorization.

544231213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106879747 (or 106879745 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 544231213444 its reverse (444312132445), we get a palindrome (988543345889).

The spelling of 544231213444 in words is "five hundred forty-four billion, two hundred thirty-one million, two hundred thirteen thousand, four hundred forty-four".