404040044422 has 16 divisors (see below), whose sum is σ = 692659791360. Its totient is φ = 173155090248.

The previous prime is 404040044411. The next prime is 404040044423. The reversal of 404040044422 is 224440040404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404040044423) 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, 122563 + ... + 907249.

It is an arithmetic number, because the mean of its divisors is an integer number (43291236960).

Almost surely, 2^404040044422 is an apocalyptic number.

404040044422 is a deficient number, since it is larger than the sum of its proper divisors (288619746938).

404040044422 is a wasteful number, since it uses less digits than its factorization.

404040044422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821475.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 404040044422 its reverse (224440040404), we get a palindrome (628480084826).

The spelling of 404040044422 in words is "four hundred four billion, forty million, forty-four thousand, four hundred twenty-two".