1340344140018 has 32 divisors (see below), whose sum is σ = 3038836920000. Its totient is φ = 390707603136.

The previous prime is 1340344139987. The next prime is 1340344140019. The reversal of 1340344140018 is 8100414430431.

It is not an unprimeable number, because it can be changed into a prime (1340344140019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 452206393 + ... + 452209356.

It is an arithmetic number, because the mean of its divisors is an integer number (94963653750).

Almost surely, 2^{1340344140018} is an apocalyptic number.

1340344140018 is an abundant number, since it is smaller than the sum of its proper divisors (1698492779982).

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

1340344140018 is a wasteful number, since it uses less digits than its factorization.

1340344140018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904415786.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 1340344140018 its reverse (8100414430431), we get a palindrome (9440758570449).

The spelling of 1340344140018 in words is "one trillion, three hundred forty billion, three hundred forty-four million, one hundred forty thousand, eighteen".