268276305 has 32 divisors (see below), whose sum is σ = 470292480. Its totient is φ = 129510080.

The previous prime is 268276297. The next prime is 268276313. The reversal of 268276305 is 503672862.

It is an interprime number because it is at equal distance from previous prime (268276297) and next prime (268276313).

It is not a de Polignac number, because 268276305 - 2³ = 268276297 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 36034 + ... + 42836.

It is an arithmetic number, because the mean of its divisors is an integer number (14696640).

Almost surely, 2^268276305 is an apocalyptic number.

It is an amenable number.

268276305 is a deficient number, since it is larger than the sum of its proper divisors (202016175).

268276305 is a wasteful number, since it uses less digits than its factorization.

268276305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 268276305 is about 16379.1423768157. The cubic root of 268276305 is about 644.9520666260.

It can be divided in two parts, 2682 and 76305, that added together give a palindrome (78987).

The spelling of 268276305 in words is "two hundred sixty-eight million, two hundred seventy-six thousand, three hundred five".