549385482018 has 64 divisors (see below), whose sum is σ = 1114541420544. Its totient is φ = 180517920000.

The previous prime is 549385481903. The next prime is 549385482029. The reversal of 549385482018 is 810284583945.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153414988 + ... + 153418568.

It is an arithmetic number, because the mean of its divisors is an integer number (17414709696).

Almost surely, 2^549385482018 is an apocalyptic number.

549385482018 is an abundant number, since it is smaller than the sum of its proper divisors (565155938526).

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

549385482018 is a wasteful number, since it uses less digits than its factorization.

549385482018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731.

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 549385482018 in words is "five hundred forty-nine billion, three hundred eighty-five million, four hundred eighty-two thousand, eighteen".