268757240 has 32 divisors (see below), whose sum is σ = 605394000. Its totient is φ = 107380224.

The previous prime is 268757219. The next prime is 268757243. The reversal of 268757240 is 42757862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268757243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37031 + ... + 43689.

Almost surely, 2^268757240 is an apocalyptic number.

268757240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268757240 is an abundant number, since it is smaller than the sum of its proper divisors (336636760).

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

268757240 is a wasteful number, since it uses less digits than its factorization.

268757240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7679 (or 7675 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 268757240 is about 16393.8171271977. The cubic root of 268757240 is about 645.3372352613.

The spelling of 268757240 in words is "two hundred sixty-eight million, seven hundred fifty-seven thousand, two hundred forty".