404401311 has 12 divisors (see below), whose sum is σ = 584335440. Its totient is φ = 269508480.

The previous prime is 404401267. The next prime is 404401313. The reversal of 404401311 is 113104404.

It is not a de Polignac number, because 404401311 - 2¹⁰ = 404400287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404401313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29455 + ... + 40943.

It is an arithmetic number, because the mean of its divisors is an integer number (48694620).

Almost surely, 2^404401311 is an apocalyptic number.

404401311 is a deficient number, since it is larger than the sum of its proper divisors (179934129).

404401311 is a wasteful number, since it uses less digits than its factorization.

404401311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15406 (or 15403 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 404401311 is about 20109.7317485838. The cubic root of 404401311 is about 739.4988760823.

Adding to 404401311 its reverse (113104404), we get a palindrome (517505715).

The spelling of 404401311 in words is "four hundred four million, four hundred one thousand, three hundred eleven".