42242040444 has 24 divisors (see below), whose sum is σ = 99317167488. Its totient is φ = 13973193520.

The previous prime is 42242040439. The next prime is 42242040629. The reversal of 42242040444 is 44404024224.

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 7 ways as a sum of consecutive naturals, for example, 13434192 + ... + 13437335.

It is an arithmetic number, because the mean of its divisors is an integer number (4138215312).

Almost surely, 2^42242040444 is an apocalyptic number.

It is an amenable number.

42242040444 is an abundant number, since it is smaller than the sum of its proper divisors (57075127044).

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

42242040444 is a wasteful number, since it uses less digits than its factorization.

42242040444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26871665 (or 26871663 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42242040444 its reverse (44404024224), we get a palindrome (86646064668).

The spelling of 42242040444 in words is "forty-two billion, two hundred forty-two million, forty thousand, four hundred forty-four".