544747444 has 6 divisors (see below), whose sum is σ = 953308034. Its totient is φ = 272373720.

The previous prime is 544747421. The next prime is 544747451. The reversal of 544747444 is 444747445.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 539168400 + 5579044 = 23220^2 + 2362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 544747444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68093427 + ... + 68093434.

Almost surely, 2^544747444 is an apocalyptic number.

It is an amenable number.

544747444 is a deficient number, since it is larger than the sum of its proper divisors (408560590).

544747444 is a wasteful number, since it uses less digits than its factorization.

544747444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136186865 (or 136186863 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 43.

The square root of 544747444 is about 23339.8252778379. The cubic root of 544747444 is about 816.7047228876.

Subtracting from 544747444 its reverse (444747445), we obtain a palindrome (99999999).

The spelling of 544747444 in words is "five hundred forty-four million, seven hundred forty-seven thousand, four hundred forty-four".