544666444 has 24 divisors (see below), whose sum is σ = 1089874688. Its totient is φ = 233312400.

The previous prime is 544666439. The next prime is 544666459. The reversal of 544666444 is 444666445.

544666444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 544666444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76417 + ... + 83239.

Almost surely, 2^544666444 is an apocalyptic number.

It is an amenable number.

544666444 is an abundant number, since it is smaller than the sum of its proper divisors (545208244).

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

544666444 is a wasteful number, since it uses less digits than its factorization.

544666444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9685 (or 9683 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 43.

The square root of 544666444 is about 23338.0899818301. The cubic root of 544666444 is about 816.6642415218.

Subtracting from 544666444 its reverse (444666445), we obtain a palindrome (99999999).

The spelling of 544666444 in words is "five hundred forty-four million, six hundred sixty-six thousand, four hundred forty-four".