268619956 has 12 divisors (see below), whose sum is σ = 512820000. Its totient is φ = 122099960.

The previous prime is 268619893. The next prime is 268619971. The reversal of 268619956 is 659916862.

It is a super-2 number, since 2×268619956² = 144313361522883872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3052456 + ... + 3052543.

It is an arithmetic number, because the mean of its divisors is an integer number (42735000).

Almost surely, 2^268619956 is an apocalyptic number.

It is an amenable number.

268619956 is a deficient number, since it is larger than the sum of its proper divisors (244200044).

268619956 is a wasteful number, since it uses less digits than its factorization.

268619956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105014 (or 6105012 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The square root of 268619956 is about 16389.6295260143. The cubic root of 268619956 is about 645.2273348839.

The spelling of 268619956 in words is "two hundred sixty-eight million, six hundred nineteen thousand, nine hundred fifty-six".