422121110240 has 24 divisors (see below), whose sum is σ = 997261123320. Its totient is φ = 168848444032.

The previous prime is 422121110167. The next prime is 422121110267. The reversal of 422121110240 is 42011121224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319128310 + ... + 1319128629.

It is an arithmetic number, because the mean of its divisors is an integer number (41552546805).

Almost surely, 2^422121110240 is an apocalyptic number.

422121110240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422121110240 is an abundant number, since it is smaller than the sum of its proper divisors (575140013080).

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

422121110240 is a wasteful number, since it uses less digits than its factorization.

422121110240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638256954 (or 2638256946 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 422121110240 its reverse (42011121224), we get a palindrome (464132231464).

The spelling of 422121110240 in words is "four hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, two hundred forty".