2560546266 has 8 divisors (see below), whose sum is σ = 5121092544. Its totient is φ = 853515420.

The previous prime is 2560546259. The next prime is 2560546279. The reversal of 2560546266 is 6626450652.

It is a sphenic number, since it is the product of 3 distinct primes.

2560546266 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213378850 + ... + 213378861.

It is an arithmetic number, because the mean of its divisors is an integer number (640136568).

Almost surely, 2^2560546266 is an apocalyptic number.

2560546266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2560546266 is a wasteful number, since it uses less digits than its factorization.

2560546266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426757716.

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 2560546266 is about 50601.8405396484. The cubic root of 2560546266 is about 1368.0780526838.

The spelling of 2560546266 in words is "two billion, five hundred sixty million, five hundred forty-six thousand, two hundred sixty-six".