2566256945882 has 16 divisors (see below), whose sum is σ = 4399318223232. Its totient is φ = 1099819254960.

The previous prime is 2566256945851. The next prime is 2566256945887. The reversal of 2566256945882 is 2885496526652.

It is a super-5 number, since 5×2566256945882⁵ (a number of 63 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2566256945887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5356748 + ... + 5816120.

It is an arithmetic number, because the mean of its divisors is an integer number (274957388952).

Almost surely, 2^{2566256945882} is an apocalyptic number.

2566256945882 is a deficient number, since it is larger than the sum of its proper divisors (1833061277350).

2566256945882 is a wasteful number, since it uses less digits than its factorization.

2566256945882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858413.

The product of its digits is 497664000, while the sum is 68.

The spelling of 2566256945882 in words is "two trillion, five hundred sixty-six billion, two hundred fifty-six million, nine hundred forty-five thousand, eight hundred eighty-two".