404312444 has 12 divisors (see below), whose sum is σ = 708044568. Its totient is φ = 202014000.

The previous prime is 404312437. The next prime is 404312527. The reversal of 404312444 is 444213404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29027 + ... + 40634.

It is an arithmetic number, because the mean of its divisors is an integer number (59003714).

Almost surely, 2^404312444 is an apocalyptic number.

It is an amenable number.

404312444 is a deficient number, since it is larger than the sum of its proper divisors (303732124).

404312444 is a wasteful number, since it uses less digits than its factorization.

404312444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71116 (or 71114 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 404312444 is about 20107.5220750842. The cubic root of 404312444 is about 739.4447039359. Note that the first 3 decimals are identical.

Adding to 404312444 its reverse (444213404), we get a palindrome (848525848).

It can be divided in two parts, 40431 and 2444, that added together give a cube (42875 = 35³).

The spelling of 404312444 in words is "four hundred four million, three hundred twelve thousand, four hundred forty-four".