268213626 has 32 divisors (see below), whose sum is σ = 621947520. Its totient is φ = 85516992.

The previous prime is 268213601. The next prime is 268213639. The reversal of 268213626 is 626312862.

268213626 is a `hidden beast` number, since 2 + 6 + 8 + 21 + 3 + 626 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106735 + ... + 109218.

It is an arithmetic number, because the mean of its divisors is an integer number (19435860).

Almost surely, 2^268213626 is an apocalyptic number.

268213626 is an abundant number, since it is smaller than the sum of its proper divisors (353733894).

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

268213626 is a wasteful number, since it uses less digits than its factorization.

268213626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215987 (or 215981 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 268213626 is about 16377.2288864753. The cubic root of 268213626 is about 644.9018347090.

The spelling of 268213626 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred twenty-six".