404044005 has 8 divisors (see below), whose sum is σ = 646470432. Its totient is φ = 215490128.

The previous prime is 404044001. The next prime is 404044019. The reversal of 404044005 is 500440404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404044005 - 2² = 404044001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404044001) 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 7 ways as a sum of consecutive naturals, for example, 13468119 + ... + 13468148.

It is an arithmetic number, because the mean of its divisors is an integer number (80808804).

Almost surely, 2^404044005 is an apocalyptic number.

It is an amenable number.

404044005 is a deficient number, since it is larger than the sum of its proper divisors (242426427).

404044005 is a wasteful number, since it uses less digits than its factorization.

404044005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26936275.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 404044005 is about 20100.8458777237. The cubic root of 404044005 is about 739.2810188571.

Adding to 404044005 its reverse (500440404), we get a palindrome (904484409).

The spelling of 404044005 in words is "four hundred four million, forty-four thousand, five".