2340209811 has 16 divisors (see below), whose sum is σ = 3165493760. Its totient is φ = 1537604640.

The previous prime is 2340209801. The next prime is 2340209813. The reversal of 2340209811 is 1189020432.

2340209811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2340209811 - 2⁵ = 2340209779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340209813) 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, 126681 + ... + 143973.

It is an arithmetic number, because the mean of its divisors is an integer number (197843360).

Almost surely, 2^2340209811 is an apocalyptic number.

2340209811 is a deficient number, since it is larger than the sum of its proper divisors (825283949).

2340209811 is a wasteful number, since it uses less digits than its factorization.

2340209811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17946.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2340209811 is about 48375.7150954898. The cubic root of 2340209811 is about 1327.6540722930.

The spelling of 2340209811 in words is "two billion, three hundred forty million, two hundred nine thousand, eight hundred eleven".