404401430 has 16 divisors (see below), whose sum is σ = 728164944. Its totient is φ = 161706720.

The previous prime is 404401429. The next prime is 404401469. The reversal of 404401430 is 34104404.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 40760 + ... + 49700.

It is an arithmetic number, because the mean of its divisors is an integer number (45510309).

Almost surely, 2^404401430 is an apocalyptic number.

404401430 is a deficient number, since it is larger than the sum of its proper divisors (323763514).

404401430 is a wasteful number, since it uses less digits than its factorization.

404401430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13471.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404401430 is about 20109.7347073501. The cubic root of 404401430 is about 739.4989486178.

Adding to 404401430 its reverse (34104404), we get a palindrome (438505834).

The spelling of 404401430 in words is "four hundred four million, four hundred one thousand, four hundred thirty".