4550128 has 40 divisors (see below), whose sum is σ = 9749376. Its totient is φ = 2040000.

The previous prime is 4550111. The next prime is 4550137. The reversal of 4550128 is 8210554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18003 + ... + 18253.

Almost surely, 2^4550128 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 4550128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4874688).

4550128 is an abundant number, since it is smaller than the sum of its proper divisors (5199248).

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

4550128 is a wasteful number, since it uses less digits than its factorization.

4550128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 4550128 is about 2133.1029042219. The cubic root of 4550128 is about 165.7071334889.

The spelling of 4550128 in words is "four million, five hundred fifty thousand, one hundred twenty-eight".