404200430 has 16 divisors (see below), whose sum is σ = 744481584. Its totient is φ = 157920000.

The previous prime is 404200421. The next prime is 404200453. The reversal of 404200430 is 34002404.

It is a super-2 number, since 2×404200430² = 326755975224369800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 404200399 and 404200408.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 469571 + ... + 470430.

It is an arithmetic number, because the mean of its divisors is an integer number (46530099).

Almost surely, 2^404200430 is an apocalyptic number.

404200430 is a deficient number, since it is larger than the sum of its proper divisors (340281154).

404200430 is a wasteful number, since it uses less digits than its factorization.

404200430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940051.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 404200430 is about 20104.7365066046. The cubic root of 404200430 is about 739.3764103752.

Adding to 404200430 its reverse (34002404), we get a palindrome (438202834).

The spelling of 404200430 in words is "four hundred four million, two hundred thousand, four hundred thirty".