404443134 has 24 divisors (see below), whose sum is σ = 877501872. Its totient is φ = 134628480.

The previous prime is 404443133. The next prime is 404443163. The reversal of 404443134 is 431344404.

It is a junction number, because it is equal to n+sod(n) for n = 404443098 and 404443107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404443133) 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, 1747 + ... + 28494.

It is an arithmetic number, because the mean of its divisors is an integer number (36562578).

Almost surely, 2^404443134 is an apocalyptic number.

404443134 is an abundant number, since it is smaller than the sum of its proper divisors (473058738).

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

404443134 is a wasteful number, since it uses less digits than its factorization.

404443134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30992 (or 30989 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 404443134 is about 20110.7715913637. The cubic root of 404443134 is about 739.5243680828.

Adding to 404443134 its reverse (431344404), we get a palindrome (835787538).

The spelling of 404443134 in words is "four hundred four million, four hundred forty-three thousand, one hundred thirty-four".