4028542185 has 16 divisors (see below), whose sum is σ = 6452703360. Its totient is φ = 2146210560.

The previous prime is 4028542171. The next prime is 4028542223. The reversal of 4028542185 is 5812458204.

It is a happy number.

It is not a de Polignac number, because 4028542185 - 2⁵ = 4028542153 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 132336 + ... + 159905.

It is an arithmetic number, because the mean of its divisors is an integer number (403293960).

Almost surely, 2^4028542185 is an apocalyptic number.

It is an amenable number.

4028542185 is a deficient number, since it is larger than the sum of its proper divisors (2424161175).

4028542185 is a wasteful number, since it uses less digits than its factorization.

4028542185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293168.

The product of its (nonzero) digits is 102400, while the sum is 39.

The square root of 4028542185 is about 63470.7978916289. The cubic root of 4028542185 is about 1591.1677648141.

The spelling of 4028542185 in words is "four billion, twenty-eight million, five hundred forty-two thousand, one hundred eighty-five".