268126406 has 4 divisors (see below), whose sum is σ = 402189612. Its totient is φ = 134063202.

The previous prime is 268126379. The next prime is 268126451. The reversal of 268126406 is 604621862.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67031600 + ... + 67031603.

It is an arithmetic number, because the mean of its divisors is an integer number (100547403).

Almost surely, 2^268126406 is an apocalyptic number.

268126406 is a deficient number, since it is larger than the sum of its proper divisors (134063206).

268126406 is a wasteful number, since it uses less digits than its factorization.

268126406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134063205.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 268126406 is about 16374.5658263051. The cubic root of 268126406 is about 644.8319222328.

The spelling of 268126406 in words is "two hundred sixty-eight million, one hundred twenty-six thousand, four hundred six".