544666666444 has 6 divisors (see below), whose sum is σ = 953166666284. Its totient is φ = 272333333220.

The previous prime is 544666666409. The next prime is 544666666493. The reversal of 544666666444 is 444666666445.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68083333302 + ... + 68083333309.

Almost surely, 2^544666666444 is an apocalyptic number.

It is an amenable number.

544666666444 is a deficient number, since it is larger than the sum of its proper divisors (408499999840).

544666666444 is a wasteful number, since it uses less digits than its factorization.

544666666444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136166666615 (or 136166666613 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 61.

Subtracting from 544666666444 its reverse (444666666445), we obtain a palindrome (99999999999).

The spelling of 544666666444 in words is "five hundred forty-four billion, six hundred sixty-six million, six hundred sixty-six thousand, four hundred forty-four".