549830880 has 288 divisors, whose sum is σ = 1971889920. Its totient is φ = 139345920.

The previous prime is 549830861. The next prime is 549830909. The reversal of 549830880 is 88038945.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4865704 + ... + 4865816.

It is an arithmetic number, because the mean of its divisors is an integer number (6846840).

Almost surely, 2^549830880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549830880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985944960).

549830880 is an abundant number, since it is smaller than the sum of its proper divisors (1422059040).

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

549830880 is a wasteful number, since it uses less digits than its factorization.

549830880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 549830880 is about 23448.4728713833. The cubic root of 549830880 is about 819.2372840442.

The spelling of 549830880 in words is "five hundred forty-nine million, eight hundred thirty thousand, eight hundred eighty".