1340403033242 has 16 divisors (see below), whose sum is σ = 2474590215552. Its totient is φ = 530269331760.

The previous prime is 1340403033223. The next prime is 1340403033253. The reversal of 1340403033242 is 2423303040431.

It is an unprimeable number.

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, 3682425734 + ... + 3682426097.

It is an arithmetic number, because the mean of its divisors is an integer number (154661888472).

Almost surely, 2^{1340403033242} is an apocalyptic number.

1340403033242 is a deficient number, since it is larger than the sum of its proper divisors (1134187182310).

1340403033242 is a wasteful number, since it uses less digits than its factorization.

1340403033242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364851853.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 1340403033242 its reverse (2423303040431), we get a palindrome (3763706073673).

The spelling of 1340403033242 in words is "one trillion, three hundred forty billion, four hundred three million, thirty-three thousand, two hundred forty-two".