549304980 has 96 divisors (see below), whose sum is σ = 1795239936. Its totient is φ = 122879616.

The previous prime is 549304967. The next prime is 549305023. The reversal of 549304980 is 89403945.

549304980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×549304980² = 603471922105600800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent 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, 5827 + ... + 33653.

It is an arithmetic number, because the mean of its divisors is an integer number (18700416).

Almost surely, 2^549304980 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 549304980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897619968).

549304980 is an abundant number, since it is smaller than the sum of its proper divisors (1245934956).

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

549304980 is a wasteful number, since it uses less digits than its factorization.

549304980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27893 (or 27891 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 549304980 is about 23437.2562387324. The cubic root of 549304980 is about 818.9760071449.

The spelling of 549304980 in words is "five hundred forty-nine million, three hundred four thousand, nine hundred eighty".