1340205304418 has 4 divisors (see below), whose sum is σ = 2010307956630. Its totient is φ = 670102652208.

The previous prime is 1340205304379. The next prime is 1340205304423. The reversal of 1340205304418 is 8144035020431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1285586342569 + 54618961849 = 1133837^2 + 233707^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335051326103 + ... + 335051326106.

Almost surely, 2^{1340205304418} is an apocalyptic number.

1340205304418 is a deficient number, since it is larger than the sum of its proper divisors (670102652212).

1340205304418 is an equidigital number, since it uses as much as digits as its factorization.

1340205304418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670102652211.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 1340205304418 in words is "one trillion, three hundred forty billion, two hundred five million, three hundred four thousand, four hundred eighteen".