4018421188 has 12 divisors (see below), whose sum is σ = 7402354960. Its totient is φ = 1903462632.

The previous prime is 4018421167. The next prime is 4018421191. The reversal of 4018421188 is 8811248104.

It is a super-2 number, since 2×4018421188² = 32295417688334662688, which contains 22 as substring.

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, 26436906 + ... + 26437057.

Almost surely, 2^4018421188 is an apocalyptic number.

It is an amenable number.

4018421188 is a deficient number, since it is larger than the sum of its proper divisors (3383933772).

4018421188 is a wasteful number, since it uses less digits than its factorization.

4018421188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52873986 (or 52873984 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 4018421188 is about 63391.0181965868. The cubic root of 4018421188 is about 1589.8341385206.

The spelling of 4018421188 in words is "four billion, eighteen million, four hundred twenty-one thousand, one hundred eighty-eight".