404242444 has 6 divisors (see below), whose sum is σ = 707424284. Its totient is φ = 202121220.

The previous prime is 404242409. The next prime is 404242459. The reversal of 404242444 is 444242404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50530302 + ... + 50530309.

Almost surely, 2^404242444 is an apocalyptic number.

It is an amenable number.

404242444 is a deficient number, since it is larger than the sum of its proper divisors (303181840).

404242444 is a wasteful number, since it uses less digits than its factorization.

404242444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101060615 (or 101060613 counting only the distinct ones).

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

The square root of 404242444 is about 20105.7813576096. The cubic root of 404242444 is about 739.4020272738.

Adding to 404242444 its reverse (444242404), we get a palindrome (848484848).

The spelling of 404242444 in words is "four hundred four million, two hundred forty-two thousand, four hundred forty-four".