404400402422 has 16 divisors (see below), whose sum is σ = 659641993920. Its totient is φ = 185162663808.

The previous prime is 404400402379. The next prime is 404400402443. The reversal of 404400402422 is 224204004404.

It is a junction number, because it is equal to n+sod(n) for n = 404400402391 and 404400402400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160730222 + ... + 160732737.

It is an arithmetic number, because the mean of its divisors is an integer number (41227624620).

Almost surely, 2^404400402422 is an apocalyptic number.

404400402422 is a deficient number, since it is larger than the sum of its proper divisors (255241591498).

404400402422 is a wasteful number, since it uses less digits than its factorization.

404400402422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321463015.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 404400402422 its reverse (224204004404), we get a palindrome (628604406826).

The spelling of 404400402422 in words is "four hundred four billion, four hundred million, four hundred two thousand, four hundred twenty-two".