4000434311 has 4 divisors (see below), whose sum is σ = 4051072800. Its totient is φ = 3949795824.

The previous prime is 4000434299. The next prime is 4000434331. The reversal of 4000434311 is 1134340004.

It is a happy number.

4000434311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4000434311 - 2²² = 3996240007 is a prime.

It is a super-4 number, since 4×4000434311⁴ (a number of 40 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000434331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25319126 + ... + 25319283.

It is an arithmetic number, because the mean of its divisors is an integer number (1012768200).

Almost surely, 2^4000434311 is an apocalyptic number.

4000434311 is a deficient number, since it is larger than the sum of its proper divisors (50638489).

4000434311 is an equidigital number, since it uses as much as digits as its factorization.

4000434311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50638488.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4000434311 is about 63248.9866401036. The cubic root of 4000434311 is about 1587.4585020338.

Adding to 4000434311 its reverse (1134340004), we get a palindrome (5134774315).

The spelling of 4000434311 in words is "four billion, four hundred thirty-four thousand, three hundred eleven".