2528919108 has 18 divisors (see below), whose sum is σ = 6392545614. Its totient is φ = 842973024.

The previous prime is 2528919097. The next prime is 2528919121. The reversal of 2528919108 is 8019198252.

2528919108 is a `hidden beast` number, since 2 + 528 + 9 + 19 + 108 = 666.

2528919108 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1378488384 + 1150430724 = 37128^2 + 33918^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35123841 + ... + 35123912.

It is an arithmetic number, because the mean of its divisors is an integer number (355141423).

Almost surely, 2^2528919108 is an apocalyptic number.

It is an amenable number.

2528919108 is an abundant number, since it is smaller than the sum of its proper divisors (3863626506).

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

2528919108 is a wasteful number, since it uses less digits than its factorization.

2528919108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70247763 (or 70247758 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 2528919108 is about 50288.3595675977. The cubic root of 2528919108 is about 1362.4219939966.

The spelling of 2528919108 in words is "two billion, five hundred twenty-eight million, nine hundred nineteen thousand, one hundred eight".