544889128 has 16 divisors (see below), whose sum is σ = 1167619680. Its totient is φ = 233523888.

The previous prime is 544889099. The next prime is 544889161. The reversal of 544889128 is 821988445.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4865026 + ... + 4865137.

It is an arithmetic number, because the mean of its divisors is an integer number (72976230).

Almost surely, 2^544889128 is an apocalyptic number.

It is an amenable number.

544889128 is an abundant number, since it is smaller than the sum of its proper divisors (622730552).

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

544889128 is a wasteful number, since it uses less digits than its factorization.

544889128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730176 (or 9730172 counting only the distinct ones).

The product of its digits is 737280, while the sum is 49.

The square root of 544889128 is about 23342.8603217344. The cubic root of 544889128 is about 816.7755226454.

The spelling of 544889128 in words is "five hundred forty-four million, eight hundred eighty-nine thousand, one hundred twenty-eight".