268213630 has 16 divisors (see below), whose sum is σ = 483549264. Its totient is φ = 107115520.

The previous prime is 268213601. The next prime is 268213639. The reversal of 268213630 is 36312862.

It is a junction number, because it is equal to n+sod(n) for n = 268213592 and 268213601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268213639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14512 + ... + 27331.

It is an arithmetic number, because the mean of its divisors is an integer number (30221829).

Almost surely, 2^268213630 is an apocalyptic number.

268213630 is a deficient number, since it is larger than the sum of its proper divisors (215335634).

268213630 is a wasteful number, since it uses less digits than its factorization.

268213630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42491.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 268213630 is about 16377.2290085961. The cubic root of 268213630 is about 644.9018379149.

The spelling of 268213630 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred thirty".