4040343111 has 16 divisors (see below), whose sum is σ = 6243429888. Its totient is φ = 2276248800.

The previous prime is 4040343101. The next prime is 4040343121. The reversal of 4040343111 is 1113430404.

It is an interprime number because it is at equal distance from previous prime (4040343101) and next prime (4040343121).

It is not a de Polignac number, because 4040343111 - 2⁵ = 4040343079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040343101) 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, 1353420 + ... + 1356401.

It is an arithmetic number, because the mean of its divisors is an integer number (390214368).

Almost surely, 2^4040343111 is an apocalyptic number.

4040343111 is a deficient number, since it is larger than the sum of its proper divisors (2203086777).

4040343111 is a wasteful number, since it uses less digits than its factorization.

4040343111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709902.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4040343111 is about 63563.6933398304. The cubic root of 4040343111 is about 1592.7199348917.

Adding to 4040343111 its reverse (1113430404), we get a palindrome (5153773515).

The spelling of 4040343111 in words is "four billion, forty million, three hundred forty-three thousand, one hundred eleven".