5128041888 has 36 divisors (see below), whose sum is σ = 14582869938. Its totient is φ = 1709347200.

The previous prime is 5128041883. The next prime is 5128041907. The reversal of 5128041888 is 8881408215.

It can be written as a sum of positive squares in only one way, i.e., 4963484304 + 164557584 = 70452^2 + 12828^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5128041881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8902563 + ... + 8903138.

Almost surely, 2^5128041888 is an apocalyptic number.

It is an amenable number.

5128041888 is an abundant number, since it is smaller than the sum of its proper divisors (9454828050).

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

5128041888 is a wasteful number, since it uses less digits than its factorization.

5128041888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17805717 (or 17805706 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 45.

The square root of 5128041888 is about 71610.3476321684. The cubic root of 5128041888 is about 1724.4496613654.

The spelling of 5128041888 in words is "five billion, one hundred twenty-eight million, forty-one thousand, eight hundred eighty-eight".