404041044 has 24 divisors (see below), whose sum is σ = 1028468448. Its totient is φ = 122436640.

The previous prime is 404041039. The next prime is 404041063. The reversal of 404041044 is 440140404.

It is a self number, because there is not a number n which added to its sum of digits gives 404041044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530327 + ... + 1530590.

It is an arithmetic number, because the mean of its divisors is an integer number (42852852).

Almost surely, 2^404041044 is an apocalyptic number.

404041044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404041044 is an abundant number, since it is smaller than the sum of its proper divisors (624427404).

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

404041044 is a wasteful number, since it uses less digits than its factorization.

404041044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060935 (or 3060933 counting only the distinct ones).

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

The square root of 404041044 is about 20100.7722239719. The cubic root of 404041044 is about 739.2792129346.

Adding to 404041044 its reverse (440140404), we get a palindrome (844181448).

The spelling of 404041044 in words is "four hundred four million, forty-one thousand, forty-four".