13043243040 has 192 divisors, whose sum is σ = 41502295296. Its totient is φ = 3443208192.

The previous prime is 13043242999. The next prime is 13043243051. The reversal of 13043243040 is 4034234031.

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 13043243040.

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, 34968294 + ... + 34968666.

It is an arithmetic number, because the mean of its divisors is an integer number (216157788).

Almost surely, 2^13043243040 is an apocalyptic number.

13043243040 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 13043243040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20751147648).

13043243040 is an abundant number, since it is smaller than the sum of its proper divisors (28459052256).

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

13043243040 is a wasteful number, since it uses less digits than its factorization.

13043243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 923 counting only the distinct ones).

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

Adding to 13043243040 its reverse (4034234031), we get a palindrome (17077477071).

Subtracting from 13043243040 its reverse (4034234031), we obtain a palindrome (9009009009).

The spelling of 13043243040 in words is "thirteen billion, forty-three million, two hundred forty-three thousand, forty".