404305441 has 16 divisors (see below), whose sum is σ = 443335680. Its totient is φ = 367050240.

The previous prime is 404305417. The next prime is 404305457. The reversal of 404305441 is 144503404.

It is a cyclic number.

It is not a de Polignac number, because 404305441 - 2¹³ = 404297249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404305481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188125 + ... + 190261.

It is an arithmetic number, because the mean of its divisors is an integer number (27708480).

Almost surely, 2^404305441 is an apocalyptic number.

It is an amenable number.

404305441 is a deficient number, since it is larger than the sum of its proper divisors (39030239).

404305441 is a wasteful number, since it uses less digits than its factorization.

404305441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 404305441 is about 20107.3479355185. The cubic root of 404305441 is about 739.4404346625.

Adding to 404305441 its reverse (144503404), we get a palindrome (548808845).

The spelling of 404305441 in words is "four hundred four million, three hundred five thousand, four hundred forty-one".