42042420222 has 64 divisors (see below), whose sum is σ = 96071270400. Its totient is φ = 12141122400.

The previous prime is 42042420209. The next prime is 42042420223. The reversal of 42042420222 is 22202424024.

It is a junction number, because it is equal to n+sod(n) for n = 42042420192 and 42042420201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042420223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360279 + ... + 462477.

It is an arithmetic number, because the mean of its divisors is an integer number (1501113600).

Almost surely, 2^42042420222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42042420222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48035635200).

42042420222 is an abundant number, since it is smaller than the sum of its proper divisors (54028850178).

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

42042420222 is a wasteful number, since it uses less digits than its factorization.

42042420222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102509.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42042420222 its reverse (22202424024), we get a palindrome (64244844246).

It can be divided in two parts, 42042 and 420222, that added together give a palindrome (462264).

The spelling of 42042420222 in words is "forty-two billion, forty-two million, four hundred twenty thousand, two hundred twenty-two".