268826864 has 10 divisors (see below), whose sum is σ = 520852080. Its totient is φ = 134413424.

The previous prime is 268826863. The next prime is 268826879. The reversal of 268826864 is 468628862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268826863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8400824 + ... + 8400855.

It is an arithmetic number, because the mean of its divisors is an integer number (52085208).

Almost surely, 2^268826864 is an apocalyptic number.

It is an amenable number.

268826864 is a deficient number, since it is larger than the sum of its proper divisors (252025216).

268826864 is a wasteful number, since it uses less digits than its factorization.

268826864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16801687 (or 16801681 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 50.

The square root of 268826864 is about 16395.9404731781. The cubic root of 268826864 is about 645.3929572706.

The spelling of 268826864 in words is "two hundred sixty-eight million, eight hundred twenty-six thousand, eight hundred sixty-four".