422340142240 has 72 divisors (see below), whose sum is σ = 1043046632628. Its totient is φ = 161590978560.

The previous prime is 422340142219. The next prime is 422340142333. The reversal of 422340142240 is 42241043224.

It can be written as a sum of positive squares in 2 ways, for example, as 403321525776 + 19018616464 = 635076^2 + 137908^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422340142199 and 422340142208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2410281 + ... + 2579560.

Almost surely, 2^422340142240 is an apocalyptic number.

422340142240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422340142240 is an abundant number, since it is smaller than the sum of its proper divisors (620706490388).

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

422340142240 is a wasteful number, since it uses less digits than its factorization.

422340142240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989902 (or 4989871 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 422340142240 its reverse (42241043224), we get a palindrome (464581185464).

The spelling of 422340142240 in words is "four hundred twenty-two billion, three hundred forty million, one hundred forty-two thousand, two hundred forty".