4009228018 has 32 divisors (see below), whose sum is σ = 6401378160. Its totient is φ = 1879637760.

The previous prime is 4009228007. The next prime is 4009228061. The reversal of 4009228018 is 8108229004.

It can be written as a sum of positive squares in 8 ways, for example, as 2513317689 + 1495910329 = 50133^2 + 38677^2 .

It is a super-3 number, since 3×4009228018³ (a number of 30 digits) contains 333 as substring.

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, 1399908 + ... + 1402768.

Almost surely, 2^4009228018 is an apocalyptic number.

4009228018 is a deficient number, since it is larger than the sum of its proper divisors (2392150142).

4009228018 is a wasteful number, since it uses less digits than its factorization.

4009228018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 4009228018 is about 63318.4650635184. The cubic root of 4009228018 is about 1588.6208282288.

The spelling of 4009228018 in words is "four billion, nine million, two hundred twenty-eight thousand, eighteen".