2140440111 has 12 divisors (see below), whose sum is σ = 3163648488. Its totient is φ = 1393774704.

The previous prime is 2140440103. The next prime is 2140440119. The reversal of 2140440111 is 1110440412.

2140440111 is a `hidden beast` number, since 214 + 0 + 440 + 1 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (2140440103) and next prime (2140440119).

It is not a de Polignac number, because 2140440111 - 2³ = 2140440103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140440119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2765040 + ... + 2765813.

It is an arithmetic number, because the mean of its divisors is an integer number (263637374).

Almost surely, 2^2140440111 is an apocalyptic number.

2140440111 is a deficient number, since it is larger than the sum of its proper divisors (1023208377).

2140440111 is a wasteful number, since it uses less digits than its factorization.

2140440111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530902 (or 5530899 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2140440111 is about 46264.8906947806. The cubic root of 2140440111 is about 1288.7470780580.

Adding to 2140440111 its reverse (1110440412), we get a palindrome (3250880523).

The spelling of 2140440111 in words is "two billion, one hundred forty million, four hundred forty thousand, one hundred eleven".