1340344445305 has 8 divisors (see below), whose sum is σ = 1617398884800. Its totient is φ = 1066285189296.

The previous prime is 1340344445233. The next prime is 1340344445311. The reversal of 1340344445305 is 5035444430431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340344445305 - 2⁹ = 1340344444793 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748794885 + ... + 748796674.

It is an arithmetic number, because the mean of its divisors is an integer number (202174860600).

Almost surely, 2^{1340344445305} is an apocalyptic number.

It is an amenable number.

1340344445305 is a deficient number, since it is larger than the sum of its proper divisors (277054439495).

1340344445305 is a wasteful number, since it uses less digits than its factorization.

1340344445305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497591743.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 1340344445305 its reverse (5035444430431), we get a palindrome (6375788875736).

The spelling of 1340344445305 in words is "one trillion, three hundred forty billion, three hundred forty-four million, four hundred forty-five thousand, three hundred five".