2140440411 has 4 divisors (see below), whose sum is σ = 2853920552. Its totient is φ = 1426960272.

The previous prime is 2140440391. The next prime is 2140440433. The reversal of 2140440411 is 1140440412.

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

It is not a de Polignac number, because 2140440411 - 2¹⁰ = 2140439387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140448411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356740066 + ... + 356740071.

It is an arithmetic number, because the mean of its divisors is an integer number (713480138).

Almost surely, 2^2140440411 is an apocalyptic number.

2140440411 is a deficient number, since it is larger than the sum of its proper divisors (713480141).

2140440411 is an equidigital number, since it uses as much as digits as its factorization.

2140440411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713480140.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2140440411 is about 46264.8939369799. The cubic root of 2140440411 is about 1288.7471382675.

Adding to 2140440411 its reverse (1140440412), we get a palindrome (3280880823).

Subtracting from 2140440411 its reverse (1140440412), we obtain a palindrome (999999999).

The spelling of 2140440411 in words is "two billion, one hundred forty million, four hundred forty thousand, four hundred eleven".