2560776665352 has 64 divisors (see below), whose sum is σ = 6544535961600. Its totient is φ = 834731146560.

The previous prime is 2560776665339. The next prime is 2560776665353. The reversal of 2560776665352 is 2535666770652.

It is a super-2 number, since 2×2560776665352² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2560776665353) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4463728 + ... + 5004639.

It is an arithmetic number, because the mean of its divisors is an integer number (102258374400).

Almost surely, 2^{2560776665352} is an apocalyptic number.

It is an amenable number.

2560776665352 is an abundant number, since it is smaller than the sum of its proper divisors (3983759296248).

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

2560776665352 is a wasteful number, since it uses less digits than its factorization.

2560776665352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468626 (or 9468622 counting only the distinct ones).

The product of its (nonzero) digits is 95256000, while the sum is 60.

The spelling of 2560776665352 in words is "two trillion, five hundred sixty billion, seven hundred seventy-six million, six hundred sixty-five thousand, three hundred fifty-two".