424440232 has 16 divisors (see below), whose sum is σ = 796821300. Its totient is φ = 211954560.

The previous prime is 424440227. The next prime is 424440239. The reversal of 424440232 is 232044424.

It can be written as a sum of positive squares in 2 ways, for example, as 420496036 + 3944196 = 20506^2 + 1986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424440197 and 424440206.

It is not an unprimeable number, because it can be changed into a prime (424440239) 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 in 3 ways as a sum of consecutive naturals, for example, 26319 + ... + 39262.

Almost surely, 2^424440232 is an apocalyptic number.

It is an amenable number.

424440232 is a deficient number, since it is larger than the sum of its proper divisors (372381068).

424440232 is a wasteful number, since it uses less digits than its factorization.

424440232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66396 (or 66392 counting only the distinct ones).

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

The square root of 424440232 is about 20601.9472866038. The cubic root of 424440232 is about 751.5170667570.

Adding to 424440232 its reverse (232044424), we get a palindrome (656484656).

The spelling of 424440232 in words is "four hundred twenty-four million, four hundred forty thousand, two hundred thirty-two".