2560655364 has 12 divisors (see below), whose sum is σ = 5974862544. Its totient is φ = 853551784.

The previous prime is 2560655353. The next prime is 2560655381. The reversal of 2560655364 is 4635560652.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106693962 + ... + 106693985.

It is an arithmetic number, because the mean of its divisors is an integer number (497905212).

Almost surely, 2^2560655364 is an apocalyptic number.

It is an amenable number.

2560655364 is an abundant number, since it is smaller than the sum of its proper divisors (3414207180).

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

2560655364 is a wasteful number, since it uses less digits than its factorization.

2560655364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213387954 (or 213387952 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The square root of 2560655364 is about 50602.9185324325. The cubic root of 2560655364 is about 1368.0974824518.

The spelling of 2560655364 in words is "two billion, five hundred sixty million, six hundred fifty-five thousand, three hundred sixty-four".