404044134 has 32 divisors (see below), whose sum is σ = 921443040. Its totient is φ = 117007872.

The previous prime is 404044133. The next prime is 404044141. The reversal of 404044134 is 431440404.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404044133) 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 15 ways as a sum of consecutive naturals, for example, 151029 + ... + 153680.

It is an arithmetic number, because the mean of its divisors is an integer number (28795095).

Almost surely, 2^404044134 is an apocalyptic number.

404044134 is an abundant number, since it is smaller than the sum of its proper divisors (517398906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404044134 is a wasteful number, since it uses less digits than its factorization.

404044134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304744.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404044134 is about 20100.8490865436. The cubic root of 404044134 is about 739.2810975344.

Adding to 404044134 its reverse (431440404), we get a palindrome (835484538).

The spelling of 404044134 in words is "four hundred four million, forty-four thousand, one hundred thirty-four".