404442222044 has 48 divisors (see below), whose sum is σ = 822917007360. Its totient is φ = 170327709120.

The previous prime is 404442222043. The next prime is 404442222061. The reversal of 404442222044 is 440222244404.

It is a self number, because there is not a number n which added to its sum of digits gives 404442222044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404442222043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4283189 + ... + 4376595.

It is an arithmetic number, because the mean of its divisors is an integer number (17144104320).

Almost surely, 2^404442222044 is an apocalyptic number.

It is an amenable number.

404442222044 is an abundant number, since it is smaller than the sum of its proper divisors (418474785316).

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

404442222044 is a wasteful number, since it uses less digits than its factorization.

404442222044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96098 (or 96096 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 404442222044 its reverse (440222244404), we get a palindrome (844664466448).

The spelling of 404442222044 in words is "four hundred four billion, four hundred forty-two million, two hundred twenty-two thousand, forty-four".