422424032240 has 160 divisors (see below), whose sum is σ = 1148482920960. Its totient is φ = 141501053952.

The previous prime is 422424032221. The next prime is 422424032273. The reversal of 422424032240 is 42230424224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5346302 + ... + 5424738.

It is an arithmetic number, because the mean of its divisors is an integer number (7178018256).

Almost surely, 2^422424032240 is an apocalyptic number.

422424032240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422424032240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574241460480).

422424032240 is an abundant number, since it is smaller than the sum of its proper divisors (726058888720).

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

422424032240 is a wasteful number, since it uses less digits than its factorization.

422424032240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78679 (or 78673 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 422424032240 its reverse (42230424224), we get a palindrome (464654456464).

The spelling of 422424032240 in words is "four hundred twenty-two billion, four hundred twenty-four million, thirty-two thousand, two hundred forty".