549780668 has 12 divisors (see below), whose sum is σ = 962287200. Its totient is φ = 274841472.

The previous prime is 549780653. The next prime is 549780689. The reversal of 549780668 is 866087945.

549780668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27308 + ... + 42956.

It is an arithmetic number, because the mean of its divisors is an integer number (80190600).

Almost surely, 2^549780668 is an apocalyptic number.

It is an amenable number.

549780668 is a deficient number, since it is larger than the sum of its proper divisors (412506532).

549780668 is a wasteful number, since it uses less digits than its factorization.

549780668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24436 (or 24434 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 549780668 is about 23447.4021588747. The cubic root of 549780668 is about 819.2123449849.

The spelling of 549780668 in words is "five hundred forty-nine million, seven hundred eighty thousand, six hundred sixty-eight".