404200424 has 16 divisors (see below), whose sum is σ = 762897120. Its totient is φ = 200761200.

The previous prime is 404200421. The next prime is 404200453. The reversal of 404200424 is 424002404.

It is a junction number, because it is equal to n+sod(n) for n = 404200396 and 404200405.

It is not an unprimeable number, because it can be changed into a prime (404200421) 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, 166094 + ... + 168509.

It is an arithmetic number, because the mean of its divisors is an integer number (47681070).

Almost surely, 2^404200424 is an apocalyptic number.

It is an amenable number.

404200424 is a deficient number, since it is larger than the sum of its proper divisors (358696696).

404200424 is a wasteful number, since it uses less digits than its factorization.

404200424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334760 (or 334756 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 404200424 is about 20104.7363573860. The cubic root of 404200424 is about 739.3764067167.

Adding to 404200424 its reverse (424002404), we get a palindrome (828202828).

The spelling of 404200424 in words is "four hundred four million, two hundred thousand, four hundred twenty-four".