422042040424 has 8 divisors (see below), whose sum is σ = 791328825810. Its totient is φ = 211021020208.

The previous prime is 422042040383. The next prime is 422042040473. The reversal of 422042040424 is 424040240224.

It can be written as a sum of positive squares in only one way, i.e., 261867592900 + 160174447524 = 511730^2 + 400218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 422042040392 and 422042040401.

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 as a sum of consecutive naturals, namely, 26377627519 + ... + 26377627534.

Almost surely, 2^422042040424 is an apocalyptic number.

It is an amenable number.

422042040424 is a deficient number, since it is larger than the sum of its proper divisors (369286785386).

422042040424 is a wasteful number, since it uses less digits than its factorization.

422042040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52755255059 (or 52755255055 counting only the distinct ones).

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

Adding to 422042040424 its reverse (424040240224), we get a palindrome (846082280648).

The spelling of 422042040424 in words is "four hundred twenty-two billion, forty-two million, forty thousand, four hundred twenty-four".