2900800128 has 32 divisors (see below), whose sum is σ = 7705251360. Its totient is φ = 966933248.

The previous prime is 2900800103. The next prime is 2900800159. The reversal of 2900800128 is 8210080092.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 2900800095 and 2900800104.

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, 3776700 + ... + 3777467.

It is an arithmetic number, because the mean of its divisors is an integer number (240789105).

Almost surely, 2^2900800128 is an apocalyptic number.

It is an amenable number.

2900800128 is an abundant number, since it is smaller than the sum of its proper divisors (4804451232).

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

2900800128 is an equidigital number, since it uses as much as digits as its factorization.

2900800128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7554184 (or 7554172 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 2900800128 is about 53859.0765609660. The cubic root of 2900800128 is about 1426.1742864676.

The spelling of 2900800128 in words is "two billion, nine hundred million, eight hundred thousand, one hundred twenty-eight".