404424224 has 24 divisors (see below), whose sum is σ = 796658688. Its totient is φ = 202098240.

The previous prime is 404424217. The next prime is 404424259. The reversal of 404424224 is 422424404.

It is a junction number, because it is equal to n+sod(n) for n = 404424193 and 404424202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106649 + ... + 110375.

It is an arithmetic number, because the mean of its divisors is an integer number (33194112).

Almost surely, 2^404424224 is an apocalyptic number.

It is an amenable number.

404424224 is a deficient number, since it is larger than the sum of its proper divisors (392234464).

404424224 is a wasteful number, since it uses less digits than its factorization.

404424224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128 (or 7120 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 404424224 is about 20110.3014398094. The cubic root of 404424224 is about 739.5128422567.

Adding to 404424224 its reverse (422424404), we get a palindrome (826848628).

The spelling of 404424224 in words is "four hundred four million, four hundred twenty-four thousand, two hundred twenty-four".