404131441 has 4 divisors (see below), whose sum is σ = 461864512. Its totient is φ = 346398372.

The previous prime is 404131393. The next prime is 404131447. The reversal of 404131441 is 144131404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404131441 - 2¹¹ = 404129393 is a prime.

It is a super-3 number, since 3×404131441³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404131447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28866525 + ... + 28866538.

It is an arithmetic number, because the mean of its divisors is an integer number (115466128).

Almost surely, 2^404131441 is an apocalyptic number.

It is an amenable number.

404131441 is a deficient number, since it is larger than the sum of its proper divisors (57733071).

404131441 is an equidigital number, since it uses as much as digits as its factorization.

404131441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57733070.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 404131441 is about 20103.0206934182. The cubic root of 404131441 is about 739.3343423501.

Adding to 404131441 its reverse (144131404), we get a palindrome (548262845).

The spelling of 404131441 in words is "four hundred four million, one hundred thirty-one thousand, four hundred forty-one".