549918412 has 12 divisors (see below), whose sum is σ = 962734696. Its totient is φ = 274851360.

The previous prime is 549918403. The next prime is 549918427. The reversal of 549918412 is 214819945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14889 + ... + 36352.

Almost surely, 2^549918412 is an apocalyptic number.

It is an amenable number.

549918412 is a deficient number, since it is larger than the sum of its proper divisors (412816284).

549918412 is a wasteful number, since it uses less digits than its factorization.

549918412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53928 (or 53926 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 549918412 is about 23450.3392725990. The cubic root of 549918412 is about 819.2807553949.

The spelling of 549918412 in words is "five hundred forty-nine million, nine hundred eighteen thousand, four hundred twelve".