549499266 has 24 divisors (see below), whose sum is σ = 1253244720. Its totient is φ = 173525976.

The previous prime is 549499241. The next prime is 549499303. The reversal of 549499266 is 662994945.

It is a happy number.

549499266 is a `hidden beast` number, since 5 + 494 + 9 + 92 + 66 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803020 + ... + 803703.

It is an arithmetic number, because the mean of its divisors is an integer number (52218530).

Almost surely, 2^549499266 is an apocalyptic number.

549499266 is an abundant number, since it is smaller than the sum of its proper divisors (703745454).

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

549499266 is a wasteful number, since it uses less digits than its factorization.

549499266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606750 (or 1606747 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 549499266 is about 23441.4006834063. The cubic root of 549499266 is about 819.0725514586.

The spelling of 549499266 in words is "five hundred forty-nine million, four hundred ninety-nine thousand, two hundred sixty-six".