548494128 has 240 divisors, whose sum is σ = 1989594880. Its totient is φ = 136982016.

The previous prime is 548494039. The next prime is 548494157. The reversal of 548494128 is 821494845.

548494128 is a `hidden beast` number, since 548 + 4 + 94 + 12 + 8 = 666.

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, 247875 + ... + 250077.

Almost surely, 2^548494128 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 548494128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994797440).

548494128 is an abundant number, since it is smaller than the sum of its proper divisors (1441100752).

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

548494128 is a wasteful number, since it uses less digits than its factorization.

548494128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2247 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 548494128 is about 23419.9514943990. The cubic root of 548494128 is about 818.5728338145.

The spelling of 548494128 in words is "five hundred forty-eight million, four hundred ninety-four thousand, one hundred twenty-eight".