13440412204340 has 48 divisors (see below), whose sum is σ = 30794993933760. Its totient is φ = 4886750964480.

The previous prime is 13440412204313. The next prime is 13440412204357. The reversal of 13440412204340 is 4340221404431.

It is a junction number, because it is equal to n+sod(n) for n = 13440412204297 and 13440412204306.

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, 2591945 + ... + 5796464.

It is an arithmetic number, because the mean of its divisors is an integer number (641562373620).

Almost surely, 2^{13440412204340} is an apocalyptic number.

13440412204340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13440412204340 is an abundant number, since it is smaller than the sum of its proper divisors (17354581729420).

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

13440412204340 is a wasteful number, since it uses less digits than its factorization.

13440412204340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8395712 (or 8395710 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 13440412204340 its reverse (4340221404431), we get a palindrome (17780633608771).

The spelling of 13440412204340 in words is "thirteen trillion, four hundred forty billion, four hundred twelve million, two hundred four thousand, three hundred forty".