404312123444 has 12 divisors (see below), whose sum is σ = 707570152800. Its totient is φ = 202149222648.

The previous prime is 404312123389. The next prime is 404312123477. The reversal of 404312123444 is 444321213404.

It is a super-2 number, since 2×404312123444² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404312123444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575584 + ... + 1814135.

It is an arithmetic number, because the mean of its divisors is an integer number (58964179400).

Almost surely, 2^404312123444 is an apocalyptic number.

It is an amenable number.

404312123444 is a deficient number, since it is larger than the sum of its proper divisors (303258029356).

404312123444 is a wasteful number, since it uses less digits than its factorization.

404312123444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419542 (or 3419540 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 404312123444 its reverse (444321213404), we get a palindrome (848633336848).

The spelling of 404312123444 in words is "four hundred four billion, three hundred twelve million, one hundred twenty-three thousand, four hundred forty-four".