404455411 has 2 divisors, whose sum is σ = 404455412. Its totient is φ = 404455410.

The previous prime is 404455397. The next prime is 404455421. The reversal of 404455411 is 114554404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404455411 - 2⁹ = 404454899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404455411.

It is not a weakly prime, because it can be changed into another prime (404455421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202227705 + 202227706.

It is an arithmetic number, because the mean of its divisors is an integer number (202227706).

Almost surely, 2^404455411 is an apocalyptic number.

404455411 is a deficient number, since it is larger than the sum of its proper divisors (1).

404455411 is an equidigital number, since it uses as much as digits as its factorization.

404455411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 404455411 is about 20111.0768234821. The cubic root of 404455411 is about 739.5318508396.

The spelling of 404455411 in words is "four hundred four million, four hundred fifty-five thousand, four hundred eleven".