42231420042 has 32 divisors (see below), whose sum is σ = 101609433600. Its totient is φ = 11431060848.

The previous prime is 42231420041. The next prime is 42231420073. The reversal of 42231420042 is 24002413224.

It is a junction number, because it is equal to n+sod(n) for n = 42231419994 and 42231420021.

It is not an unprimeable number, because it can be changed into a prime (42231420041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26459992 + ... + 26461587.

It is an arithmetic number, because the mean of its divisors is an integer number (3175294800).

Almost surely, 2^42231420042 is an apocalyptic number.

42231420042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42231420042 is an abundant number, since it is smaller than the sum of its proper divisors (59378013558).

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

42231420042 is a wasteful number, since it uses less digits than its factorization.

42231420042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52921610.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42231420042 its reverse (24002413224), we get a palindrome (66233833266).

The spelling of 42231420042 in words is "forty-two billion, two hundred thirty-one million, four hundred twenty thousand, forty-two".