422340240342 has 16 divisors (see below), whose sum is σ = 846196969392. Its totient is φ = 140527332000.

The previous prime is 422340240337. The next prime is 422340240389. The reversal of 422340240342 is 243042043224.

It is a super-2 number, since 2×422340240342² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63183409 + ... + 63190092.

It is an arithmetic number, because the mean of its divisors is an integer number (52887310587).

Almost surely, 2^422340240342 is an apocalyptic number.

422340240342 is an abundant number, since it is smaller than the sum of its proper divisors (423856729050).

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

422340240342 is a wasteful number, since it uses less digits than its factorization.

422340240342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126374063.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 422340240342 its reverse (243042043224), we get a palindrome (665382283566).

The spelling of 422340240342 in words is "four hundred twenty-two billion, three hundred forty million, two hundred forty thousand, three hundred forty-two".