5045128240 has 20 divisors (see below), whose sum is σ = 11729923344. Its totient is φ = 2018051264.

The previous prime is 5045128237. The next prime is 5045128261. The reversal of 5045128240 is 428215405.

It is a tau number, because it is divible by the number of its divisors (20).

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, 31531972 + ... + 31532131.

Almost surely, 2^5045128240 is an apocalyptic number.

It is an amenable number.

5045128240 is an abundant number, since it is smaller than the sum of its proper divisors (6684795104).

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

5045128240 is a wasteful number, since it uses less digits than its factorization.

5045128240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63064116 (or 63064110 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 5045128240 is about 71029.0661630857. The cubic root of 5045128240 is about 1715.1050931924.

The spelling of 5045128240 in words is "five billion, forty-five million, one hundred twenty-eight thousand, two hundred forty".