1340502310242 has 24 divisors (see below), whose sum is σ = 2910721954140. Its totient is φ = 445864829280.

The previous prime is 1340502310171. The next prime is 1340502310271. The reversal of 1340502310242 is 2420132050431.

1340502310242 is a `hidden beast` number, since 1 + 3 + 405 + 0 + 2 + 3 + 10 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1224964181961 + 115538128281 = 1106781^2 + 339909^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80764317 + ... + 80780912.

Almost surely, 2^{1340502310242} is an apocalyptic number.

1340502310242 is an abundant number, since it is smaller than the sum of its proper divisors (1570219643898).

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

1340502310242 is a wasteful number, since it uses less digits than its factorization.

1340502310242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161545698 (or 161545695 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1340502310242 its reverse (2420132050431), we get a palindrome (3760634360673).

The spelling of 1340502310242 in words is "one trillion, three hundred forty billion, five hundred two million, three hundred ten thousand, two hundred forty-two".