404013364044 has 24 divisors (see below), whose sum is σ = 944874992880. Its totient is φ = 134360100864.

The previous prime is 404013364043. The next prime is 404013364063. The reversal of 404013364044 is 440463310404.

It is a super-3 number, since 3×404013364044³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 404013363996 and 404013364014.

It is not an unprimeable number, because it can be changed into a prime (404013364043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38872149 + ... + 38882540.

It is an arithmetic number, because the mean of its divisors is an integer number (39369791370).

Almost surely, 2^404013364044 is an apocalyptic number.

It is an amenable number.

404013364044 is an abundant number, since it is smaller than the sum of its proper divisors (540861628836).

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

404013364044 is a wasteful number, since it uses less digits than its factorization.

404013364044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77755129 (or 77755127 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 404013364044 its reverse (440463310404), we get a palindrome (844476674448).

The spelling of 404013364044 in words is "four hundred four billion, thirteen million, three hundred sixty-four thousand, forty-four".