13144320230240 has 96 divisors (see below), whose sum is σ = 31641026741856. Its totient is φ = 5158255697920.

The previous prime is 13144320230213. The next prime is 13144320230263. The reversal of 13144320230240 is 4203202344131.

It is a super-2 number, since 2×13144320230240² (a number of 27 digits) contains 22 as substring.

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, 261184280 + ... + 261234600.

It is an arithmetic number, because the mean of its divisors is an integer number (329594028561).

Almost surely, 2^{13144320230240} is an apocalyptic number.

13144320230240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13144320230240 is an abundant number, since it is smaller than the sum of its proper divisors (18496706511616).

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

13144320230240 is a wasteful number, since it uses less digits than its factorization.

13144320230240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81192 (or 81184 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13144320230240 its reverse (4203202344131), we get a palindrome (17347522574371).

The spelling of 13144320230240 in words is "thirteen trillion, one hundred forty-four billion, three hundred twenty million, two hundred thirty thousand, two hundred forty".