268968690 has 48 divisors (see below), whose sum is σ = 700128000. Its totient is φ = 71642016.

The previous prime is 268968673. The next prime is 268968709. The reversal of 268968690 is 96869862.

It is a super-2 number, since 2×268968690² = 144688312400632200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152031 + ... + 153789.

It is an arithmetic number, because the mean of its divisors is an integer number (14586000).

Almost surely, 2^268968690 is an apocalyptic number.

268968690 is an abundant number, since it is smaller than the sum of its proper divisors (431159310).

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

268968690 is a wasteful number, since it uses less digits than its factorization.

268968690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 268968690 is about 16400.2649368844. The cubic root of 268968690 is about 645.5064347805.

The spelling of 268968690 in words is "two hundred sixty-eight million, nine hundred sixty-eight thousand, six hundred ninety".