4185238036 has 12 divisors (see below), whose sum is σ = 8370476128. Its totient is φ = 1793673432.

The previous prime is 4185238021. The next prime is 4185238067. The reversal of 4185238036 is 6308325814.

4185238036 is an admirable number.

It is a super-2 number, since 2×4185238036² = 35032434835962274592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4185238036.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 74736366 + ... + 74736421.

Almost surely, 2^4185238036 is an apocalyptic number.

It is an amenable number.

4185238036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4185238036 is a wasteful number, since it uses less digits than its factorization.

4185238036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149472798 (or 149472796 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 4185238036 is about 64693.4157082465. The cubic root of 4185238036 is about 1611.5361591777.

The spelling of 4185238036 in words is "four billion, one hundred eighty-five million, two hundred thirty-eight thousand, thirty-six".