2560297655808 has 160 divisors (see below), whose sum is σ = 7763505916320. Its totient is φ = 832616939520.

The previous prime is 2560297655779. The next prime is 2560297655813. The reversal of 2560297655808 is 8085567920652.

2560297655808 is a `hidden beast` number, since 2 + 5 + 6 + 0 + 2 + 9 + 76 + 558 + 0 + 8 = 666.

It is a super-2 number, since 2×2560297655808² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691835 + ... + 2825402.

It is an arithmetic number, because the mean of its divisors is an integer number (48521911977).

Almost surely, 2^{2560297655808} is an apocalyptic number.

It is an amenable number.

2560297655808 is an abundant number, since it is smaller than the sum of its proper divisors (5203208260512).

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

2560297655808 is an equidigital number, since it uses as much as digits as its factorization.

2560297655808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517305 (or 4517283 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 63.

The spelling of 2560297655808 in words is "two trillion, five hundred sixty billion, two hundred ninety-seven million, six hundred fifty-five thousand, eight hundred eight".