5280128844040 has 32 divisors (see below), whose sum is σ = 11892064311000. Its totient is φ = 2109958308864.

The previous prime is 5280128844019. The next prime is 5280128844041. The reversal of 5280128844040 is 404488210825.

It can be written as a sum of positive squares in 4 ways, for example, as 5086639708164 + 193489135876 = 2255358^2 + 439874^2 .

It is not an unprimeable number, because it can be changed into a prime (5280128844041) 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, 65372535 + ... + 65453254.

Almost surely, 2^{5280128844040} is an apocalyptic number.

It is an amenable number.

5280128844040 is an abundant number, since it is smaller than the sum of its proper divisors (6611935466960).

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

5280128844040 is a wasteful number, since it uses less digits than its factorization.

5280128844040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130826809 (or 130826805 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 46.

The spelling of 5280128844040 in words is "five trillion, two hundred eighty billion, one hundred twenty-eight million, eight hundred forty-four thousand, forty".