404014044 has 96 divisors (see below), whose sum is σ = 1190439936. Its totient is φ = 103910400.

The previous prime is 404014033. The next prime is 404014073. The reversal of 404014044 is 440410404.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 404014044.

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 31 ways as a sum of consecutive naturals, for example, 26694 + ... + 38994.

It is an arithmetic number, because the mean of its divisors is an integer number (12400416).

Almost surely, 2^404014044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404014044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595219968).

404014044 is an abundant number, since it is smaller than the sum of its proper divisors (786425892).

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

404014044 is a wasteful number, since it uses less digits than its factorization.

404014044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12355 (or 12353 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 404014044 is about 20100.1005967632. The cubic root of 404014044 is about 739.2627451494.

Adding to 404014044 its reverse (440410404), we get a palindrome (844424448).

The spelling of 404014044 in words is "four hundred four million, fourteen thousand, forty-four".