2567781260 has 24 divisors (see below), whose sum is σ = 5882553936. Its totient is φ = 933738560.

The previous prime is 2567781257. The next prime is 2567781283. The reversal of 2567781260 is 621877652.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 5835647 + ... + 5836086.

It is an arithmetic number, because the mean of its divisors is an integer number (245106414).

Almost surely, 2^2567781260 is an apocalyptic number.

2567781260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2567781260 is an abundant number, since it is smaller than the sum of its proper divisors (3314772676).

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

2567781260 is a wasteful number, since it uses less digits than its factorization.

2567781260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671753 (or 11671751 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2567781260 is about 50673.2795465223. The cubic root of 2567781260 is about 1369.3653728571.

The spelling of 2567781260 in words is "two billion, five hundred sixty-seven million, seven hundred eighty-one thousand, two hundred sixty".