1340205304417 has 16 divisors (see below), whose sum is σ = 1567361825920. Its totient is φ = 1121976116352.

The previous prime is 1340205304379. The next prime is 1340205304423. The reversal of 1340205304417 is 7144035020431.

It is not a de Polignac number, because 1340205304417 - 2¹¹ = 1340205302369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340205304717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6567559 + ... + 6768547.

It is an arithmetic number, because the mean of its divisors is an integer number (97960114120).

Almost surely, 2^{1340205304417} is an apocalyptic number.

It is an amenable number.

1340205304417 is a deficient number, since it is larger than the sum of its proper divisors (227156521503).

1340205304417 is a wasteful number, since it uses less digits than its factorization.

1340205304417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223192.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 1340205304417 in words is "one trillion, three hundred forty billion, two hundred five million, three hundred four thousand, four hundred seventeen".