422040400444 has 36 divisors (see below), whose sum is σ = 834526019376. Its totient is φ = 186318832128.

The previous prime is 422040400427. The next prime is 422040400459. The reversal of 422040400444 is 444004040224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13556629 + ... + 13587724.

It is an arithmetic number, because the mean of its divisors is an integer number (23181278316).

Almost surely, 2^422040400444 is an apocalyptic number.

It is an amenable number.

422040400444 is a deficient number, since it is larger than the sum of its proper divisors (412485618932).

422040400444 is a wasteful number, since it uses less digits than its factorization.

422040400444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27144406 (or 27144391 counting only the distinct ones).

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

Adding to 422040400444 its reverse (444004040224), we get a palindrome (866044440668).

The spelling of 422040400444 in words is "four hundred twenty-two billion, forty million, four hundred thousand, four hundred forty-four".