404443343444 has 48 divisors (see below), whose sum is σ = 812070336000. Its totient is φ = 172651274496.

The previous prime is 404443343413. The next prime is 404443343501. The reversal of 404443343444 is 444343344404.

It is a super-2 number, since 2×404443343444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17126357 + ... + 17149955.

It is an arithmetic number, because the mean of its divisors is an integer number (16918132000).

Almost surely, 2^404443343444 is an apocalyptic number.

It is an amenable number.

404443343444 is an abundant number, since it is smaller than the sum of its proper divisors (407626992556).

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

404443343444 is a wasteful number, since it uses less digits than its factorization.

404443343444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25992 (or 25990 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 41.

Adding to 404443343444 its reverse (444343344404), we get a palindrome (848786687848).

The spelling of 404443343444 in words is "four hundred four billion, four hundred forty-three million, three hundred forty-three thousand, four hundred forty-four".