243440044 has 6 divisors (see below), whose sum is σ = 426020084. Its totient is φ = 121720020.

The previous prime is 243440039. The next prime is 243440047. The reversal of 243440044 is 440044342.

It is not an unprimeable number, because it can be changed into a prime (243440047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30430002 + ... + 30430009.

Almost surely, 2^243440044 is an apocalyptic number.

It is an amenable number.

243440044 is a deficient number, since it is larger than the sum of its proper divisors (182580040).

243440044 is a wasteful number, since it uses less digits than its factorization.

243440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60860015 (or 60860013 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 243440044 is about 15602.5653018983. The cubic root of 243440044 is about 624.4015981272.

Adding to 243440044 its reverse (440044342), we get a palindrome (683484386).

The spelling of 243440044 in words is "two hundred forty-three million, four hundred forty thousand, forty-four".