404404444 has 6 divisors (see below), whose sum is σ = 707707784. Its totient is φ = 202202220.

The previous prime is 404404439. The next prime is 404404457. The reversal of 404404444 is 444404404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550552 + ... + 50550559.

Almost surely, 2^404404444 is an apocalyptic number.

It is an amenable number.

404404444 is a deficient number, since it is larger than the sum of its proper divisors (303303340).

404404444 is a wasteful number, since it uses less digits than its factorization.

404404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101101115 (or 101101113 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 404404444 is about 20109.8096460409. The cubic root of 404404444 is about 739.5007857727.

Adding to 404404444 its reverse (444404404), we get a palindrome (848808848).

The spelling of 404404444 in words is "four hundred four million, four hundred four thousand, four hundred forty-four".