4028028111 has 24 divisors (see below), whose sum is σ = 6133851360. Its totient is φ = 2542104576.

The previous prime is 4028028079. The next prime is 4028028113. The reversal of 4028028111 is 1118208204.

It is not a de Polignac number, because 4028028111 - 2⁵ = 4028028079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028028113) 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 23 ways as a sum of consecutive naturals, for example, 80226 + ... + 120383.

It is an arithmetic number, because the mean of its divisors is an integer number (255577140).

Almost surely, 2^4028028111 is an apocalyptic number.

4028028111 is a deficient number, since it is larger than the sum of its proper divisors (2105823249).

4028028111 is a wasteful number, since it uses less digits than its factorization.

4028028111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200735 (or 200732 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 4028028111 is about 63466.7480733021. The cubic root of 4028028111 is about 1591.1000800507.

The spelling of 4028028111 in words is "four billion, twenty-eight million, twenty-eight thousand, one hundred eleven".