2580855828 has 24 divisors (see below), whose sum is σ = 6081623520. Its totient is φ = 851767200.

The previous prime is 2580855793. The next prime is 2580855839. The reversal of 2580855828 is 8285580852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063498 + ... + 1065921.

It is an arithmetic number, because the mean of its divisors is an integer number (253400980).

Almost surely, 2^2580855828 is an apocalyptic number.

It is an amenable number.

2580855828 is an abundant number, since it is smaller than the sum of its proper divisors (3500767692).

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

2580855828 is a wasteful number, since it uses less digits than its factorization.

2580855828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129527 (or 2129525 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 51.

The square root of 2580855828 is about 50802.1242469250. The cubic root of 2580855828 is about 1371.6856066904.

The spelling of 2580855828 in words is "two billion, five hundred eighty million, eight hundred fifty-five thousand, eight hundred twenty-eight".