4256528028 has 48 divisors (see below), whose sum is σ = 10533659136. Its totient is φ = 1334900160.

The previous prime is 4256528027. The next prime is 4256528057. The reversal of 4256528028 is 8208256524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256528021) 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, 109576 + ... + 143247.

It is an arithmetic number, because the mean of its divisors is an integer number (219451232).

Almost surely, 2^4256528028 is an apocalyptic number.

It is an amenable number.

4256528028 is an abundant number, since it is smaller than the sum of its proper divisors (6277131108).

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

4256528028 is a wasteful number, since it uses less digits than its factorization.

4256528028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252914 (or 252912 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 4256528028 is about 65242.0725299250. The cubic root of 4256528028 is about 1620.6348205530.

The spelling of 4256528028 in words is "four billion, two hundred fifty-six million, five hundred twenty-eight thousand, twenty-eight".