2828025128 has 8 divisors (see below), whose sum is σ = 5302547130. Its totient is φ = 1414012560.

The previous prime is 2828025119. The next prime is 2828025131. The reversal of 2828025128 is 8215208282.

It can be written as a sum of positive squares in only one way, i.e., 2359822084 + 468203044 = 48578^2 + 21638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2828025128² = 15995452249198832768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2828025091 and 2828025100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176751563 + ... + 176751578.

Almost surely, 2^2828025128 is an apocalyptic number.

It is an amenable number.

2828025128 is a deficient number, since it is larger than the sum of its proper divisors (2474522002).

2828025128 is a wasteful number, since it uses less digits than its factorization.

2828025128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353503147 (or 353503143 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 2828025128 is about 53179.1794596344. The cubic root of 2828025128 is about 1414.1465597410.

The spelling of 2828025128 in words is "two billion, eight hundred twenty-eight million, twenty-five thousand, one hundred twenty-eight".