1340342044344 has 24 divisors (see below), whose sum is σ = 3630093036960. Its totient is φ = 446780681424.

The previous prime is 1340342044273. The next prime is 1340342044367. The reversal of 1340342044344 is 4434402430431.

1340342044344 is a `hidden beast` number, since 1 + 3 + 403 + 4 + 204 + 4 + 3 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1340342044299 and 1340342044308.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 9307930792 + ... + 9307930935.

It is an arithmetic number, because the mean of its divisors is an integer number (151253876540).

Almost surely, 2^{1340342044344} is an apocalyptic number.

It is an amenable number.

1340342044344 is an abundant number, since it is smaller than the sum of its proper divisors (2289750992616).

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

1340342044344 is a wasteful number, since it uses less digits than its factorization.

1340342044344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18615861739 (or 18615861732 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 1340342044344 its reverse (4434402430431), we get a palindrome (5774744474775).

The spelling of 1340342044344 in words is "one trillion, three hundred forty billion, three hundred forty-two million, forty-four thousand, three hundred forty-four".