548424660 has 144 divisors (see below), whose sum is σ = 1798602624. Its totient is φ = 124492032.

The previous prime is 548424637. The next prime is 548424677. The reversal of 548424660 is 66424845.

It is a super-2 number, since 2×548424660² = 601539215392231200, which contains 22 as substring.

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, 490422 + ... + 491538.

It is an arithmetic number, because the mean of its divisors is an integer number (12490296).

Almost surely, 2^548424660 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 548424660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899301312).

548424660 is an abundant number, since it is smaller than the sum of its proper divisors (1250177964).

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

548424660 is a wasteful number, since it uses less digits than its factorization.

548424660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 548424660 is about 23418.4683529901. The cubic root of 548424660 is about 818.5382743328.

The spelling of 548424660 in words is "five hundred forty-eight million, four hundred twenty-four thousand, six hundred sixty".