2580385578 has 16 divisors (see below), whose sum is σ = 5179817856. Its totient is φ = 856954080.

The previous prime is 2580385559. The next prime is 2580385601. The reversal of 2580385578 is 8755830852.

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 2580385578.

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 7 ways as a sum of consecutive naturals, for example, 791851 + ... + 795102.

It is an arithmetic number, because the mean of its divisors is an integer number (323738616).

Almost surely, 2^2580385578 is an apocalyptic number.

2580385578 is an abundant number, since it is smaller than the sum of its proper divisors (2599432278).

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

2580385578 is a wasteful number, since it uses less digits than its factorization.

2580385578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587229.

The product of its (nonzero) digits is 2688000, while the sum is 51.

The square root of 2580385578 is about 50797.4957847333. The cubic root of 2580385578 is about 1371.6022913898.

The spelling of 2580385578 in words is "two billion, five hundred eighty million, three hundred eighty-five thousand, five hundred seventy-eight".