404440422224 has 40 divisors (see below), whose sum is σ = 858307910760. Its totient is φ = 183761973248.

The previous prime is 404440422167. The next prime is 404440422229. The reversal of 404440422224 is 422224044404.

It can be written as a sum of positive squares in 4 ways, for example, as 37892515600 + 366547906624 = 194660^2 + 605432^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404440422229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25628549 + ... + 25644324.

It is an arithmetic number, because the mean of its divisors is an integer number (21457697769).

Almost surely, 2^404440422224 is an apocalyptic number.

It is an amenable number.

404440422224 is an abundant number, since it is smaller than the sum of its proper divisors (453867488536).

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

404440422224 is a wasteful number, since it uses less digits than its factorization.

404440422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51272927 (or 51272921 counting only the distinct ones).

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

Adding to 404440422224 its reverse (422224044404), we get a palindrome (826664466628).

The spelling of 404440422224 in words is "four hundred four billion, four hundred forty million, four hundred twenty-two thousand, two hundred twenty-four".