422044040404 has 48 divisors (see below), whose sum is σ = 875122017280. Its totient is φ = 174276852480.

The previous prime is 422044040387. The next prime is 422044040477. The reversal of 422044040404 is 404040440224.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 862857 + ... + 1260400.

Almost surely, 2^422044040404 is an apocalyptic number.

It is an amenable number.

422044040404 is an abundant number, since it is smaller than the sum of its proper divisors (453077976876).

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

422044040404 is a wasteful number, since it uses less digits than its factorization.

422044040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123528 (or 2123526 counting only the distinct ones).

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

Adding to 422044040404 its reverse (404040440224), we get a palindrome (826084480628).

The spelling of 422044040404 in words is "four hundred twenty-two billion, forty-four million, forty thousand, four hundred four".