266010256 has 20 divisors (see below), whose sum is σ = 532021504. Its totient is φ = 128714400.

The previous prime is 266010253. The next prime is 266010307. The reversal of 266010256 is 652010662.

266010256 is an admirable number.

It is a super-2 number, since 2×266010256² = 141522912594371072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266010253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267660 + ... + 268651.

Almost surely, 2^266010256 is an apocalyptic number.

It is an amenable number.

266010256 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

266010256 is a wasteful number, since it uses less digits than its factorization.

266010256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536350 (or 536344 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 266010256 is about 16309.8208451227. The cubic root of 266010256 is about 643.1310245293.

The spelling of 266010256 in words is "two hundred sixty-six million, ten thousand, two hundred fifty-six".