4021144233 has 16 divisors (see below), whose sum is σ = 5459516160. Its totient is φ = 2631886416.

The previous prime is 4021144223. The next prime is 4021144271. The reversal of 4021144233 is 3324411204.

It is not a de Polignac number, because 4021144233 - 2²⁰ = 4020095657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021144213) 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, 124866 + ... + 153732.

It is an arithmetic number, because the mean of its divisors is an integer number (341219760).

Almost surely, 2^4021144233 is an apocalyptic number.

It is an amenable number.

4021144233 is a deficient number, since it is larger than the sum of its proper divisors (1438371927).

4021144233 is a wasteful number, since it uses less digits than its factorization.

4021144233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29716.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4021144233 is about 63412.4927202834. The cubic root of 4021144233 is about 1590.1931694425.

Adding to 4021144233 its reverse (3324411204), we get a palindrome (7345555437).

The spelling of 4021144233 in words is "four billion, twenty-one million, one hundred forty-four thousand, two hundred thirty-three".