268806735 has 32 divisors (see below), whose sum is σ = 493301760. Its totient is φ = 138736800.

The previous prime is 268806731. The next prime is 268806749. The reversal of 268806735 is 537608862.

It is not a de Polignac number, because 268806735 - 2² = 268806731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268806731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27931 + ... + 36300.

It is an arithmetic number, because the mean of its divisors is an integer number (15415680).

Almost surely, 2^268806735 is an apocalyptic number.

268806735 is a deficient number, since it is larger than the sum of its proper divisors (224495025).

268806735 is a wasteful number, since it uses less digits than its factorization.

268806735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64276 (or 64270 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 268806735 is about 16395.3266207173. The cubic root of 268806735 is about 645.3768484650.

The spelling of 268806735 in words is "two hundred sixty-eight million, eight hundred six thousand, seven hundred thirty-five".