2580567720 has 64 divisors (see below), whose sum is σ = 7991447040. Its totient is φ = 665952000.

The previous prime is 2580567713. The next prime is 2580567761. The reversal of 2580567720 is 277650852.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343131 + ... + 350570.

It is an arithmetic number, because the mean of its divisors is an integer number (124866360).

Almost surely, 2^2580567720 is an apocalyptic number.

2580567720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2580567720 is an abundant number, since it is smaller than the sum of its proper divisors (5410879320).

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

2580567720 is a wasteful number, since it uses less digits than its factorization.

2580567720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693746 (or 693742 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 2580567720 is about 50799.2885776957. The cubic root of 2580567720 is about 1371.6345631181.

The spelling of 2580567720 in words is "two billion, five hundred eighty million, five hundred sixty-seven thousand, seven hundred twenty".