43442444 has 6 divisors (see below), whose sum is σ = 76024284. Its totient is φ = 21721220.

The previous prime is 43442393. The next prime is 43442453. The reversal of 43442444 is 44424434.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5430302 + ... + 5430309.

It is an arithmetic number, because the mean of its divisors is an integer number (12670714).

Almost surely, 2^43442444 is an apocalyptic number.

It is an amenable number.

43442444 is a deficient number, since it is larger than the sum of its proper divisors (32581840).

43442444 is a wasteful number, since it uses less digits than its factorization.

43442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10860615 (or 10860613 counting only the distinct ones).

The product of its digits is 24576, while the sum is 29.

The square root of 43442444 is about 6591.0882257788. The cubic root of 43442444 is about 351.5373031318.

Adding to 43442444 its reverse (44424434), we get a palindrome (87866878).

The spelling of 43442444 in words is "forty-three million, four hundred forty-two thousand, four hundred forty-four".