5128880 has 40 divisors (see below), whose sum is σ = 12131664. Its totient is φ = 2016000.

The previous prime is 5128873. The next prime is 5128889. The reversal of 5128880 is 888215.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (5128889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4355 + ... + 5405.

Almost surely, 2^5128880 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 5128880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6065832).

5128880 is an abundant number, since it is smaller than the sum of its proper divisors (7002784).

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

5128880 is a wasteful number, since it uses less digits than its factorization.

5128880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 5128880 is about 2264.7030710449. The cubic root of 5128880 is about 172.4543602565.

The spelling of 5128880 in words is "five million, one hundred twenty-eight thousand, eight hundred eighty".