1340411410405 has 8 divisors (see below), whose sum is σ = 1660380585984. Its totient is φ = 1037737866000.

The previous prime is 1340411410361. The next prime is 1340411410447. The reversal of 1340411410405 is 5040141140431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1340411410405 is a prime.

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, 4323907621 + ... + 4323907930.

It is an arithmetic number, because the mean of its divisors is an integer number (207547573248).

Almost surely, 2^{1340411410405} is an apocalyptic number.

It is an amenable number.

1340411410405 is a deficient number, since it is larger than the sum of its proper divisors (319969175579).

1340411410405 is an equidigital number, since it uses as much as digits as its factorization.

1340411410405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8647815587.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1340411410405 its reverse (5040141140431), we get a palindrome (6380552550836).

The spelling of 1340411410405 in words is "one trillion, three hundred forty billion, four hundred eleven million, four hundred ten thousand, four hundred five".