5202128740 has 12 divisors (see below), whose sum is σ = 10924470396. Its totient is φ = 2080851488.

The previous prime is 5202128719. The next prime is 5202128747. The reversal of 5202128740 is 478212025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2152217664 + 3049911076 = 46392^2 + 55226^2 .

It is not an unprimeable number, because it can be changed into a prime (5202128747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130053199 + ... + 130053238.

It is an arithmetic number, because the mean of its divisors is an integer number (910372533).

Almost surely, 2^5202128740 is an apocalyptic number.

It is an amenable number.

5202128740 is an abundant number, since it is smaller than the sum of its proper divisors (5722341656).

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

5202128740 is a wasteful number, since it uses less digits than its factorization.

5202128740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260106446 (or 260106444 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 5202128740 is about 72125.7841551827. The cubic root of 5202128740 is about 1732.7145884078.

The spelling of 5202128740 in words is "five billion, two hundred two million, one hundred twenty-eight thousand, seven hundred forty".