1232440424 has 16 divisors (see below), whose sum is σ = 2311208100. Its totient is φ = 616118272.

The previous prime is 1232440421. The next prime is 1232440427. The reversal of 1232440424 is 4240442321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1232440421) and next prime (1232440427).

It can be written as a sum of positive squares in 2 ways, for example, as 1117564900 + 114875524 = 33430^2 + 10718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1232440393 and 1232440402.

It is not an unprimeable number, because it can be changed into a prime (1232440421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71042 + ... + 86670.

Almost surely, 2^1232440424 is an apocalyptic number.

It is an amenable number.

1232440424 is a deficient number, since it is larger than the sum of its proper divisors (1078767676).

1232440424 is a wasteful number, since it uses less digits than its factorization.

1232440424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25492 (or 25488 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1232440424 is about 35106.1308605776. The cubic root of 1232440424 is about 1072.1494115834.

Adding to 1232440424 its reverse (4240442321), we get a palindrome (5472882745).

The spelling of 1232440424 in words is "one billion, two hundred thirty-two million, four hundred forty thousand, four hundred twenty-four".