42442221268 has 24 divisors (see below), whose sum is σ = 74506813920. Its totient is φ = 21154613280.

The previous prime is 42442221197. The next prime is 42442221323. The reversal of 42442221268 is 86212224424.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 4200903 + ... + 4210993.

It is an arithmetic number, because the mean of its divisors is an integer number (3104450580).

Almost surely, 2^42442221268 is an apocalyptic number.

It is an amenable number.

42442221268 is a deficient number, since it is larger than the sum of its proper divisors (32064592652).

42442221268 is a wasteful number, since it uses less digits than its factorization.

42442221268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13287 (or 13285 counting only the distinct ones).

The product of its digits is 98304, while the sum is 37.

The spelling of 42442221268 in words is "forty-two billion, four hundred forty-two million, two hundred twenty-one thousand, two hundred sixty-eight".