549041188 has 12 divisors (see below), whose sum is σ = 1002597120. Its totient is φ = 262584872.

The previous prime is 549041183. The next prime is 549041203. The reversal of 549041188 is 881140945.

It is a super-2 number, since 2×549041188² = 602892452240902688, 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 549041188.

It is not an unprimeable number, because it can be changed into a prime (549041183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2983828 + ... + 2984011.

It is an arithmetic number, because the mean of its divisors is an integer number (83549760).

Almost surely, 2^549041188 is an apocalyptic number.

It is an amenable number.

549041188 is a deficient number, since it is larger than the sum of its proper divisors (453555932).

549041188 is a wasteful number, since it uses less digits than its factorization.

549041188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967866 (or 5967864 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 549041188 is about 23431.6279417372. The cubic root of 549041188 is about 818.8448875673.

The spelling of 549041188 in words is "five hundred forty-nine million, forty-one thousand, one hundred eighty-eight".