243424444 has 6 divisors (see below), whose sum is σ = 425992784. Its totient is φ = 121712220.

The previous prime is 243424439. The next prime is 243424451. The reversal of 243424444 is 444424342.

243424444 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 30428052 + ... + 30428059.

Almost surely, 2^243424444 is an apocalyptic number.

It is an amenable number.

243424444 is a deficient number, since it is larger than the sum of its proper divisors (182568340).

243424444 is a wasteful number, since it uses less digits than its factorization.

243424444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60856115 (or 60856113 counting only the distinct ones).

The product of its digits is 49152, while the sum is 31.

The square root of 243424444 is about 15602.0653760968. The cubic root of 243424444 is about 624.3882603146.

Adding to 243424444 its reverse (444424342), we get a palindrome (687848786).

The spelling of 243424444 in words is "two hundred forty-three million, four hundred twenty-four thousand, four hundred forty-four".