13422230320040 has 64 divisors (see below), whose sum is σ = 30786717427200. Its totient is φ = 5264701242112.

The previous prime is 13422230320021. The next prime is 13422230320133. The reversal of 13422230320040 is 4002303222431.

It is a junction number, because it is equal to n+sod(n) for n = 13422230319991 and 13422230320009.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2128271 + ... + 5601249.

It is an arithmetic number, because the mean of its divisors is an integer number (481042459800).

Almost surely, 2^{13422230320040} is an apocalyptic number.

13422230320040 is a gapful number since it is divisible by the number (10) 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 13422230320040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15393358713600).

13422230320040 is an abundant number, since it is smaller than the sum of its proper divisors (17364487107160).

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

13422230320040 is a wasteful number, since it uses less digits than its factorization.

13422230320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474866 (or 3474862 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 13422230320040 its reverse (4002303222431), we get a palindrome (17424533542471).

The spelling of 13422230320040 in words is "thirteen trillion, four hundred twenty-two billion, two hundred thirty million, three hundred twenty thousand, forty".