2566081260 has 36 divisors (see below), whose sum is σ = 7783780368. Its totient is φ = 684288288.

The previous prime is 2566081241. The next prime is 2566081267. The reversal of 2566081260 is 621806652.

2566081260 is a `hidden beast` number, since 25 + 6 + 608 + 1 + 26 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2566081267) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7127824 + ... + 7128183.

Almost surely, 2^2566081260 is an apocalyptic number.

2566081260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2566081260 is an abundant number, since it is smaller than the sum of its proper divisors (5217699108).

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

2566081260 is a wasteful number, since it uses less digits than its factorization.

2566081260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256022 (or 14256017 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2566081260 is about 50656.5026428000. The cubic root of 2566081260 is about 1369.0631099538.

The spelling of 2566081260 in words is "two billion, five hundred sixty-six million, eighty-one thousand, two hundred sixty".