268343536 has 40 divisors (see below), whose sum is σ = 562094480. Its totient is φ = 123669504.

The previous prime is 268343513. The next prime is 268343549. The reversal of 268343536 is 635343862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681 + ... + 23176.

It is an arithmetic number, because the mean of its divisors is an integer number (14052362).

Almost surely, 2^268343536 is an apocalyptic number.

It is an amenable number.

268343536 is an abundant number, since it is smaller than the sum of its proper divisors (293750944).

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

268343536 is a wasteful number, since it uses less digits than its factorization.

268343536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23921 (or 23915 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 268343536 is about 16381.1945840345. The cubic root of 268343536 is about 645.0059378898.

The spelling of 268343536 in words is "two hundred sixty-eight million, three hundred forty-three thousand, five hundred thirty-six".