4385218028 has 24 divisors (see below), whose sum is σ = 7704496800. Its totient is φ = 2183948928.

The previous prime is 4385218021. The next prime is 4385218037. The reversal of 4385218028 is 8208125834.

It is not an unprimeable number, because it can be changed into a prime (4385218021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050976 + ... + 2053112.

It is an arithmetic number, because the mean of its divisors is an integer number (321020700).

Almost surely, 2^4385218028 is an apocalyptic number.

It is an amenable number.

4385218028 is a deficient number, since it is larger than the sum of its proper divisors (3319278772).

4385218028 is a wasteful number, since it uses less digits than its factorization.

4385218028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 4385218028 is about 66220.9787605106. The cubic root of 4385218028 is about 1636.8054545169.

The spelling of 4385218028 in words is "four billion, three hundred eighty-five million, two hundred eighteen thousand, twenty-eight".