2580556308780 has 48 divisors (see below), whose sum is σ = 7231676032224. Its totient is φ = 687565647360.

The previous prime is 2580556308779. The next prime is 2580556308877. The reversal of 2580556308780 is 878036550852.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2580556308780.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18137977 + ... + 18279696.

It is an arithmetic number, because the mean of its divisors is an integer number (150659917338).

Almost surely, 2^{2580556308780} is an apocalyptic number.

2580556308780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2580556308780 is an abundant number, since it is smaller than the sum of its proper divisors (4651119723444).

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

2580556308780 is a wasteful number, since it uses less digits than its factorization.

2580556308780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36418866 (or 36418864 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 2580556308780 in words is "two trillion, five hundred eighty billion, five hundred fifty-six million, three hundred eight thousand, seven hundred eighty".