424403242444 has 48 divisors (see below), whose sum is σ = 769658863680. Its totient is φ = 204642397440.

The previous prime is 424403242397. The next prime is 424403242463. The reversal of 424403242444 is 444242304424.

It is a happy number.

It is a super-2 number, since 2×424403242444² (a number of 24 digits) contains 22 as substring.

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, 19943442 + ... + 19964710.

It is an arithmetic number, because the mean of its divisors is an integer number (16034559660).

Almost surely, 2^424403242444 is an apocalyptic number.

It is an amenable number.

424403242444 is a deficient number, since it is larger than the sum of its proper divisors (345255621236).

424403242444 is a wasteful number, since it uses less digits than its factorization.

424403242444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22930 (or 22928 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 37.

Adding to 424403242444 its reverse (444242304424), we get a palindrome (868645546868).

The spelling of 424403242444 in words is "four hundred twenty-four billion, four hundred three million, two hundred forty-two thousand, four hundred forty-four".