2128828536 has 48 divisors (see below), whose sum is σ = 6104732400. Its totient is φ = 667867392.

The previous prime is 2128828523. The next prime is 2128828547. The reversal of 2128828536 is 6358288212.

2128828536 is a `hidden beast` number, since 2 + 12 + 88 + 28 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2128828491 and 2128828500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 868396 + ... + 870843.

It is an arithmetic number, because the mean of its divisors is an integer number (127181925).

Almost surely, 2^2128828536 is an apocalyptic number.

It is an amenable number.

2128828536 is an abundant number, since it is smaller than the sum of its proper divisors (3975903864).

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

2128828536 is a wasteful number, since it uses less digits than its factorization.

2128828536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739268 (or 1739261 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 2128828536 is about 46139.2299025461. The cubic root of 2128828536 is about 1286.4124296852.

The spelling of 2128828536 in words is "two billion, one hundred twenty-eight million, eight hundred twenty-eight thousand, five hundred thirty-six".