13243322040 has 128 divisors (see below), whose sum is σ = 43487841600. Its totient is φ = 3206430720.

The previous prime is 13243322017. The next prime is 13243322077. The reversal of 13243322040 is 4022334231.

13243322040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13243322040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25576 + ... + 164744.

Almost surely, 2^13243322040 is an apocalyptic number.

13243322040 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 13243322040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21743920800).

13243322040 is an abundant number, since it is smaller than the sum of its proper divisors (30244519560).

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

13243322040 is a wasteful number, since it uses less digits than its factorization.

13243322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139257 (or 139253 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13243322040 its reverse (4022334231), we get a palindrome (17265656271).

The spelling of 13243322040 in words is "thirteen billion, two hundred forty-three million, three hundred twenty-two thousand, forty".