4000143211 has 4 divisors (see below), whose sum is σ = 4000412592. Its totient is φ = 3999873832.

The previous prime is 4000143127. The next prime is 4000143227. The reversal of 4000143211 is 1123410004.

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 4000143211 - 2⁷ = 4000143083 is a prime.

It is a super-2 number, since 2×4000143211² = 32002291417018781042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000143271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111031 + ... + 142576.

It is an arithmetic number, because the mean of its divisors is an integer number (1000103148).

Almost surely, 2^4000143211 is an apocalyptic number.

4000143211 is a deficient number, since it is larger than the sum of its proper divisors (269381).

4000143211 is a wasteful number, since it uses less digits than its factorization.

4000143211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269380.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 4000143211 is about 63246.6853755989. The cubic root of 4000143211 is about 1587.4199961831.

Adding to 4000143211 its reverse (1123410004), we get a palindrome (5123553215).

It can be divided in two parts, 400014 and 3211, that added together give a square (403225 = 635²).

The spelling of 4000143211 in words is "four billion, one hundred forty-three thousand, two hundred eleven".