266270256 has 120 divisors (see below), whose sum is σ = 896529920. Its totient is φ = 72067968.

The previous prime is 266270231. The next prime is 266270267. The reversal of 266270256 is 652072662.

266270256 is a `hidden beast` number, since 2 + 6 + 627 + 0 + 25 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 266270256.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12201 + ... + 26103.

Almost surely, 2^266270256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266270256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448264960).

266270256 is an abundant number, since it is smaller than the sum of its proper divisors (630259664).

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

266270256 is a wasteful number, since it uses less digits than its factorization.

266270256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13943 (or 13934 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 266270256 is about 16317.7895561868. The cubic root of 266270256 is about 643.3404896576.

The spelling of 266270256 in words is "two hundred sixty-six million, two hundred seventy thousand, two hundred fifty-six".