4128205068 has 48 divisors (see below), whose sum is σ = 11526046560. Its totient is φ = 1270216512.

The previous prime is 4128205057. The next prime is 4128205091. The reversal of 4128205068 is 8605028214.

4128205068 is a `hidden beast` number, since 4 + 128 + 20 + 506 + 8 = 666.

4128205068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468755 + ... + 1471562.

It is an arithmetic number, because the mean of its divisors is an integer number (240125970).

Almost surely, 2^4128205068 is an apocalyptic number.

It is an amenable number.

4128205068 is an abundant number, since it is smaller than the sum of its proper divisors (7397841492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4128205068 is a wasteful number, since it uses less digits than its factorization.

4128205068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940343 (or 2940335 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 4128205068 is about 64251.1094690201. The cubic root of 4128205068 is about 1604.1824257745.

The spelling of 4128205068 in words is "four billion, one hundred twenty-eight million, two hundred five thousand, sixty-eight".