1340042411 has 24 divisors (see below), whose sum is σ = 1444283280. Its totient is φ = 1241545536.

The previous prime is 1340042383. The next prime is 1340042423. The reversal of 1340042411 is 1142400431.

It is a de Polignac number, because none of the positive numbers 2^k-1340042411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340042441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3592421 + ... + 3592793.

It is an arithmetic number, because the mean of its divisors is an integer number (60178470).

Almost surely, 2^1340042411 is an apocalyptic number.

1340042411 is a deficient number, since it is larger than the sum of its proper divisors (104240869).

1340042411 is an equidigital number, since it uses as much as digits as its factorization.

1340042411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1340042411 is about 36606.5897209778. The cubic root of 1340042411 is about 1102.4854024253.

Adding to 1340042411 its reverse (1142400431), we get a palindrome (2482442842).

The spelling of 1340042411 in words is "one billion, three hundred forty million, forty-two thousand, four hundred eleven".