404400000422 has 16 divisors (see below), whose sum is σ = 690516997632. Its totient is φ = 175826086920.

The previous prime is 404400000421. The next prime is 404400000451. The reversal of 404400000422 is 224000004404.

It is a junction number, because it is equal to n+sod(n) for n = 404400000394 and 404400000403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404400000421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399604238 + ... + 399605249.

It is an arithmetic number, because the mean of its divisors is an integer number (43157312352).

Almost surely, 2^404400000422 is an apocalyptic number.

404400000422 is a deficient number, since it is larger than the sum of its proper divisors (286116997210).

404400000422 is a wasteful number, since it uses less digits than its factorization.

404400000422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799209523.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 404400000422 its reverse (224000004404), we get a palindrome (628400004826).

The spelling of 404400000422 in words is "four hundred four billion, four hundred million, four hundred twenty-two", and thus it is an aban number.