42242212144 has 40 divisors (see below), whose sum is σ = 89300779920. Its totient is φ = 19197542400.

The previous prime is 42242212127. The next prime is 42242212171. The reversal of 42242212144 is 44121224224.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130724 + ... + 1167484.

It is an arithmetic number, because the mean of its divisors is an integer number (2232519498).

Almost surely, 2^42242212144 is an apocalyptic number.

42242212144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42242212144 is an abundant number, since it is smaller than the sum of its proper divisors (47058567776).

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

42242212144 is a wasteful number, since it uses less digits than its factorization.

42242212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43309 (or 43303 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

Adding to 42242212144 its reverse (44121224224), we get a palindrome (86363436368).

The spelling of 42242212144 in words is "forty-two billion, two hundred forty-two million, two hundred twelve thousand, one hundred forty-four".