13424505221240 has 192 divisors, whose sum is σ = 32415958080000. Its totient is φ = 5002128359424.

The previous prime is 13424505221227. The next prime is 13424505221251. The reversal of 13424505221240 is 4212250542431.

13424505221240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13424505221240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1271375081 + ... + 1271385639.

It is an arithmetic number, because the mean of its divisors is an integer number (168833115000).

Almost surely, 2^{13424505221240} is an apocalyptic number.

13424505221240 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 13424505221240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16207979040000).

13424505221240 is an abundant number, since it is smaller than the sum of its proper divisors (18991452858760).

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

13424505221240 is a wasteful number, since it uses less digits than its factorization.

13424505221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722 (or 11701 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 13424505221240 its reverse (4212250542431), we get a palindrome (17636755763671).

The spelling of 13424505221240 in words is "thirteen trillion, four hundred twenty-four billion, five hundred five million, two hundred twenty-one thousand, two hundred forty".