40222243421232 has 160 divisors (see below), whose sum is σ = 110356179252480. Its totient is φ = 12580202004480.

The previous prime is 40222243421177. The next prime is 40222243421263. The reversal of 40222243421232 is 23212434222204.

It is a junction number, because it is equal to n+sod(n) for n = 40222243421193 and 40222243421202.

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, 375929119 + ... + 376036097.

It is an arithmetic number, because the mean of its divisors is an integer number (689726120328).

Almost surely, 2^{40222243421232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40222243421232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55178089626240).

40222243421232 is an abundant number, since it is smaller than the sum of its proper divisors (70133935831248).

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

40222243421232 is a wasteful number, since it uses less digits than its factorization.

40222243421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108411 (or 108405 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 40222243421232 its reverse (23212434222204), we get a palindrome (63434677643436).

The spelling of 40222243421232 in words is "forty trillion, two hundred twenty-two billion, two hundred forty-three million, four hundred twenty-one thousand, two hundred thirty-two".