1324400432 has 20 divisors (see below), whose sum is σ = 2577238320. Its totient is φ = 659306688.

The previous prime is 1324400423. The next prime is 1324400443. The reversal of 1324400432 is 2340044231.

It is a junction number, because it is equal to n+sod(n) for n = 1324400398 and 1324400407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177068 + ... + 184395.

It is an arithmetic number, because the mean of its divisors is an integer number (128861916).

Almost surely, 2^1324400432 is an apocalyptic number.

It is an amenable number.

1324400432 is a deficient number, since it is larger than the sum of its proper divisors (1252837888).

1324400432 is a wasteful number, since it uses less digits than its factorization.

1324400432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361700 (or 361694 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1324400432 is about 36392.3128146591. The cubic root of 1324400432 is about 1098.1789240195.

Adding to 1324400432 its reverse (2340044231), we get a palindrome (3664444663).

The spelling of 1324400432 in words is "one billion, three hundred twenty-four million, four hundred thousand, four hundred thirty-two".