402324404 has 12 divisors (see below), whose sum is σ = 704249700. Its totient is φ = 201110208.

The previous prime is 402324343. The next prime is 402324407. The reversal of 402324404 is 404423204.

It can be written as a sum of positive squares in 2 ways, for example, as 95023504 + 307300900 = 9748^2 + 17530^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 402324404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402324407) 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, 8282 + ... + 29550.

It is an arithmetic number, because the mean of its divisors is an integer number (58687475).

Almost surely, 2^402324404 is an apocalyptic number.

It is an amenable number.

402324404 is a deficient number, since it is larger than the sum of its proper divisors (301925296).

402324404 is a wasteful number, since it uses less digits than its factorization.

402324404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26002 (or 26000 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 402324404 is about 20058.0259248013. The cubic root of 402324404 is about 738.2307403930.

Adding to 402324404 its reverse (404423204), we get a palindrome (806747608).

The spelling of 402324404 in words is "four hundred two million, three hundred twenty-four thousand, four hundred four".