265885114208256 has 195 divisors, whose sum is σ = 794303899365801. Its totient is φ = 88625240653824.

The previous prime is 265885114208221. The next prime is 265885114208281. The reversal of 265885114208256 is 652802411588562.

The square root of 265885114208256 is 16305984.

It is a perfect power (a square), and thus also a powerful number.

265885114208256 is a `hidden beast` number, since 2 + 6 + 5 + 8 + 85 + 1 + 1 + 420 + 82 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113660844281856 + 152224269926400 = 10661184^2 + 12337920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 265885114208193 and 265885114208202.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 9392232630 + ... + 9392260938.

Almost surely, 2^{265885114208256} is an apocalyptic number.

265885114208256 is the 16305984-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265885114208256

265885114208256 is an abundant number, since it is smaller than the sum of its proper divisors (528418785157545).

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

265885114208256 is an frugal number, since it uses more digits than its factorization.

265885114208256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56654 (or 28314 counting only the distinct ones).

The product of its (nonzero) digits is 73728000, while the sum is 63.

The spelling of 265885114208256 in words is "two hundred sixty-five trillion, eight hundred eighty-five billion, one hundred fourteen million, two hundred eight thousand, two hundred fifty-six".