42424042422 has 64 divisors (see below), whose sum is σ = 91832509440. Its totient is φ = 13021689600.

The previous prime is 42424042387. The next prime is 42424042471. The reversal of 42424042422 is 22424042424.

It is a happy number.

42424042422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42424042422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1249908 + ... + 1283400.

It is an arithmetic number, because the mean of its divisors is an integer number (1434882960).

Almost surely, 2^42424042422 is an apocalyptic number.

42424042422 is an abundant number, since it is smaller than the sum of its proper divisors (49408467018).

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

42424042422 is a wasteful number, since it uses less digits than its factorization.

42424042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33829.

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

Adding to 42424042422 its reverse (22424042424), we get a palindrome (64848084846).

The spelling of 42424042422 in words is "forty-two billion, four hundred twenty-four million, forty-two thousand, four hundred twenty-two".