260352644560 has 40 divisors (see below), whose sum is σ = 605601451080. Its totient is φ = 104092618752.

The previous prime is 260352644527. The next prime is 260352644609. The reversal of 260352644560 is 65446253062.

260352644560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23600333376 + 236752311184 = 153624^2 + 486572^2 .

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

It is a congruent number.

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, 583545 + ... + 928024.

It is an arithmetic number, because the mean of its divisors is an integer number (15140036277).

Almost surely, 2^260352644560 is an apocalyptic number.

260352644560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260352644560 is an abundant number, since it is smaller than the sum of its proper divisors (345248806520).

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

260352644560 is a wasteful number, since it uses less digits than its factorization.

260352644560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513735 (or 1513729 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 260352644560 in words is "two hundred sixty billion, three hundred fifty-two million, six hundred forty-four thousand, five hundred sixty".