2566040104266 has 64 divisors (see below), whose sum is σ = 5306923923840. Its totient is φ = 826637414400.

The previous prime is 2566040104153. The next prime is 2566040104321. The reversal of 2566040104266 is 6624010406652.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40436370 + ... + 40499778.

It is an arithmetic number, because the mean of its divisors is an integer number (82920686310).

Almost surely, 2^{2566040104266} is an apocalyptic number.

2566040104266 is an abundant number, since it is smaller than the sum of its proper divisors (2740883819574).

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

2566040104266 is a wasteful number, since it uses less digits than its factorization.

2566040104266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65111.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 2566040104266 in words is "two trillion, five hundred sixty-six billion, forty million, one hundred four thousand, two hundred sixty-six".