268261056 has 84 divisors (see below), whose sum is σ = 878781072. Its totient is φ = 76644864.

The previous prime is 268261051. The next prime is 268261067. The reversal of 268261056 is 650162862.

It is a tau number, because it is divible by the number of its divisors (84).

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 268261056.

It is not an unprimeable number, because it can be changed into a prime (268261051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29235 + ... + 37298.

Almost surely, 2^268261056 is an apocalyptic number.

It is an amenable number.

268261056 is an abundant number, since it is smaller than the sum of its proper divisors (610520016).

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

268261056 is a wasteful number, since it uses less digits than its factorization.

268261056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66558 (or 66545 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 268261056 is about 16378.6768696375. The cubic root of 268261056 is about 644.9398465625.

The spelling of 268261056 in words is "two hundred sixty-eight million, two hundred sixty-one thousand, fifty-six".