1340312260542 has 16 divisors (see below), whose sum is σ = 2691747447312. Its totient is φ = 444916932480.

The previous prime is 1340312260537. The next prime is 1340312260579. The reversal of 1340312260542 is 2450622130431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463453693 + ... + 463456584.

It is an arithmetic number, because the mean of its divisors is an integer number (168234215457).

Almost surely, 2^{1340312260542} is an apocalyptic number.

1340312260542 is an abundant number, since it is smaller than the sum of its proper divisors (1351435186770).

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

1340312260542 is a wasteful number, since it uses less digits than its factorization.

1340312260542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926910523.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1340312260542 its reverse (2450622130431), we get a palindrome (3790934390973).

The spelling of 1340312260542 in words is "one trillion, three hundred forty billion, three hundred twelve million, two hundred sixty thousand, five hundred forty-two".