1340204244243 has 8 divisors (see below), whose sum is σ = 1892053050768. Its totient is φ = 840912466944.

The previous prime is 1340204244233. The next prime is 1340204244251. The reversal of 1340204244243 is 3424424020431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340204244243 - 2¹⁸ = 1340203982099 is a prime.

It is a super-2 number, since 2×1340204244243² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340204244233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13139257246 + ... + 13139257347.

It is an arithmetic number, because the mean of its divisors is an integer number (236506631346).

Almost surely, 2^{1340204244243} is an apocalyptic number.

1340204244243 is a deficient number, since it is larger than the sum of its proper divisors (551848806525).

1340204244243 is a wasteful number, since it uses less digits than its factorization.

1340204244243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26278514613.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 1340204244243 its reverse (3424424020431), we get a palindrome (4764628264674).

The spelling of 1340204244243 in words is "one trillion, three hundred forty billion, two hundred four million, two hundred forty-four thousand, two hundred forty-three".