4028642871 has 16 divisors (see below), whose sum is σ = 5871381120. Its totient is φ = 2436794720.

The previous prime is 4028642801. The next prime is 4028642887. The reversal of 4028642871 is 1782468204.

It is a cyclic number.

It is not a de Polignac number, because 4028642871 - 2¹³ = 4028634679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028642801) 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, 103125 + ... + 136718.

It is an arithmetic number, because the mean of its divisors is an integer number (366961320).

Almost surely, 2^4028642871 is an apocalyptic number.

4028642871 is a deficient number, since it is larger than the sum of its proper divisors (1842738249).

4028642871 is a wasteful number, since it uses less digits than its factorization.

4028642871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240366.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 4028642871 is about 63471.5910545813. The cubic root of 4028642871 is about 1591.1810208072.

The spelling of 4028642871 in words is "four billion, twenty-eight million, six hundred forty-two thousand, eight hundred seventy-one".