5128286128 has 40 divisors (see below), whose sum is σ = 11524992512. Its totient is φ = 2165030208.

The previous prime is 5128286101. The next prime is 5128286129. The reversal of 5128286128 is 8216828215.

It is a super-2 number, since 2×5128286128² = 52598637221274464768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5128286129) 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, 334200 + ... + 349207.

Almost surely, 2^5128286128 is an apocalyptic number.

It is an amenable number.

5128286128 is an abundant number, since it is smaller than the sum of its proper divisors (6396706384).

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

5128286128 is a wasteful number, since it uses less digits than its factorization.

5128286128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683489 (or 683483 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 5128286128 is about 71612.0529519996. The cubic root of 5128286128 is about 1724.4770384752.

The spelling of 5128286128 in words is "five billion, one hundred twenty-eight million, two hundred eighty-six thousand, one hundred twenty-eight".