268213628 has 6 divisors (see below), whose sum is σ = 469373856. Its totient is φ = 134106812.

The previous prime is 268213601. The next prime is 268213639. The reversal of 268213628 is 826312862.

It is a junction number, because it is equal to n+sod(n) for n = 268213591 and 268213600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33526700 + ... + 33526707.

It is an arithmetic number, because the mean of its divisors is an integer number (78228976).

Almost surely, 2^268213628 is an apocalyptic number.

It is an amenable number.

268213628 is a deficient number, since it is larger than the sum of its proper divisors (201160228).

268213628 is a wasteful number, since it uses less digits than its factorization.

268213628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67053411 (or 67053409 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 268213628 is about 16377.2289475357. The cubic root of 268213628 is about 644.9018363120.

The spelling of 268213628 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred twenty-eight".