42421142322 has 24 divisors (see below), whose sum is σ = 98982665964. Its totient is φ = 13052659104.

The previous prime is 42421142311. The next prime is 42421142329. The reversal of 42421142322 is 22324112424.

It is a happy number.

42421142322 is a `hidden beast` number, since 4 + 2 + 4 + 211 + 423 + 22 = 666.

42421142322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41514470001 + 906672321 = 203751^2 + 30111^2 .

It is not an unprimeable number, because it can be changed into a prime (42421142329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90643233 + ... + 90643700.

Almost surely, 2^42421142322 is an apocalyptic number.

42421142322 is an abundant number, since it is smaller than the sum of its proper divisors (56561523642).

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

42421142322 is a wasteful number, since it uses less digits than its factorization.

42421142322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181286954 (or 181286951 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 42421142322 its reverse (22324112424), we get a palindrome (64745254746).

The spelling of 42421142322 in words is "forty-two billion, four hundred twenty-one million, one hundred forty-two thousand, three hundred twenty-two".