548461980 has 288 divisors, whose sum is σ = 1949875200. Its totient is φ = 123379200.

The previous prime is 548461943. The next prime is 548461981. The reversal of 548461980 is 89164845.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548461981) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2294701 + ... + 2294939.

It is an arithmetic number, because the mean of its divisors is an integer number (6770400).

Almost surely, 2^548461980 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 548461980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974937600).

548461980 is an abundant number, since it is smaller than the sum of its proper divisors (1401413220).

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

548461980 is a wasteful number, since it uses less digits than its factorization.

548461980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 340 counting only the distinct ones).

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

The square root of 548461980 is about 23419.2651464558. The cubic root of 548461980 is about 818.5568409398.

The spelling of 548461980 in words is "five hundred forty-eight million, four hundred sixty-one thousand, nine hundred eighty".