42442421424 has 40 divisors (see below), whose sum is σ = 118076994672. Its totient is φ = 13059206400.

The previous prime is 42442421423. The next prime is 42442421431. The reversal of 42442421424 is 42412424424.

42442421424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42442421423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34007727 + ... + 34008974.

Almost surely, 2^42442421424 is an apocalyptic number.

It is an amenable number.

42442421424 is an abundant number, since it is smaller than the sum of its proper divisors (75634573248).

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

42442421424 is a wasteful number, since it uses less digits than its factorization.

42442421424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68016725 (or 68016719 counting only the distinct ones).

The product of its digits is 65536, while the sum is 33.

Adding to 42442421424 its reverse (42412424424), we get a palindrome (84854845848).

The spelling of 42442421424 in words is "forty-two billion, four hundred forty-two million, four hundred twenty-one thousand, four hundred twenty-four".