260556332732256 has 48 divisors (see below), whose sum is σ = 746138589190848. Its totient is φ = 78956464464000.

The previous prime is 260556332732231. The next prime is 260556332732263. The reversal of 260556332732256 is 652237233655062.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 260556332732196 and 260556332732205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123369474670 + ... + 123369476781.

It is an arithmetic number, because the mean of its divisors is an integer number (15544553941476).

Almost surely, 2^{260556332732256} is an apocalyptic number.

It is an amenable number.

260556332732256 is an abundant number, since it is smaller than the sum of its proper divisors (485582256458592).

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

260556332732256 is a wasteful number, since it uses less digits than its factorization.

260556332732256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246738951475 (or 246738951467 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 57.

The spelling of 260556332732256 in words is "two hundred sixty trillion, five hundred fifty-six billion, three hundred thirty-two million, seven hundred thirty-two thousand, two hundred fifty-six".