2666525256080 has 40 divisors (see below), whose sum is σ = 7085338539072. Its totient is φ = 914237230464.

The previous prime is 2666525256079. The next prime is 2666525256097. The reversal of 2666525256080 is 806525256662.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2666525256080² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380825562 + ... + 2380826681.

Almost surely, 2^{2666525256080} is an apocalyptic number.

2666525256080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666525256080 is an abundant number, since it is smaller than the sum of its proper divisors (4418813282992).

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

2666525256080 is a wasteful number, since it uses less digits than its factorization.

2666525256080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761652263 (or 4761652257 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 2666525256080 in words is "two trillion, six hundred sixty-six billion, five hundred twenty-five million, two hundred fifty-six thousand, eighty".