549607680 has 504 divisors, whose sum is σ = 2144728320. Its totient is φ = 134369280.

The previous prime is 549607673. The next prime is 549607693. The reversal of 549607680 is 86706945.

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 55 ways as a sum of consecutive naturals, for example, 17729265 + ... + 17729295.

Almost surely, 2^549607680 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 549607680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072364160).

549607680 is an abundant number, since it is smaller than the sum of its proper divisors (1595120640).

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

549607680 is an equidigital number, since it uses as much as digits as its factorization.

549607680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 549607680 is about 23443.7130164998. The cubic root of 549607680 is about 819.1264144922.

The spelling of 549607680 in words is "five hundred forty-nine million, six hundred seven thousand, six hundred eighty".