404122424 has 32 divisors (see below), whose sum is σ = 789901200. Its totient is φ = 193589760.

The previous prime is 404122391. The next prime is 404122427. The reversal of 404122424 is 424221404.

It is a self number, because there is not a number n which added to its sum of digits gives 404122424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404122427) 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 7 ways as a sum of consecutive naturals, for example, 23744 + ... + 37040.

Almost surely, 2^404122424 is an apocalyptic number.

It is an amenable number.

404122424 is a deficient number, since it is larger than the sum of its proper divisors (385778776).

404122424 is a wasteful number, since it uses less digits than its factorization.

404122424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13463 (or 13459 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 404122424 is about 20102.7964223886. The cubic root of 404122424 is about 739.3288436215.

Adding to 404122424 its reverse (424221404), we get a palindrome (828343828).

The spelling of 404122424 in words is "four hundred four million, one hundred twenty-two thousand, four hundred twenty-four".