42442020242404 has 12 divisors (see below), whose sum is σ = 74273693092144. Its totient is φ = 21220965073224.

The previous prime is 42442020242399. The next prime is 42442020242407. The reversal of 42442020242404 is 40424202024424.

It is a self number, because there is not a number n which added to its sum of digits gives 42442020242404.

It is not an unprimeable number, because it can be changed into a prime (42442020242407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9095862 + ... + 12946765.

Almost surely, 2^{42442020242404} is an apocalyptic number.

It is an amenable number.

42442020242404 is a deficient number, since it is larger than the sum of its proper divisors (31831672849740).

42442020242404 is a wasteful number, since it uses less digits than its factorization.

42442020242404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22523994 (or 22523992 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 42442020242404 its reverse (40424202024424), we get a palindrome (82866222266828).

The spelling of 42442020242404 in words is "forty-two trillion, four hundred forty-two billion, twenty million, two hundred forty-two thousand, four hundred four".