13440243314040 has 64 divisors (see below), whose sum is σ = 40321002303360. Its totient is φ = 3584040673920.

The previous prime is 13440243314033. The next prime is 13440243314059. The reversal of 13440243314040 is 4041334204431.

It is a super-2 number, since 2×13440243314040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13440243313992 and 13440243314010.

It is a congruent number.

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, 23956335 + ... + 24510945.

It is an arithmetic number, because the mean of its divisors is an integer number (630015660990).

Almost surely, 2^{13440243314040} is an apocalyptic number.

13440243314040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13440243314040 is an abundant number, since it is smaller than the sum of its proper divisors (26880758989320).

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

13440243314040 is a wasteful number, since it uses less digits than its factorization.

13440243314040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756572 (or 756568 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 13440243314040 its reverse (4041334204431), we get a palindrome (17481577518471).

The spelling of 13440243314040 in words is "thirteen trillion, four hundred forty billion, two hundred forty-three million, three hundred fourteen thousand, forty".