268758406 has 64 divisors (see below), whose sum is σ = 511488000. Its totient is φ = 103265280.

The previous prime is 268758383. The next prime is 268758431. The reversal of 268758406 is 604857862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538345 + ... + 538843.

It is an arithmetic number, because the mean of its divisors is an integer number (7992000).

Almost surely, 2^268758406 is an apocalyptic number.

268758406 is a deficient number, since it is larger than the sum of its proper divisors (242729594).

268758406 is a wasteful number, since it uses less digits than its factorization.

268758406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 268758406 is about 16393.8526893467. The cubic root of 268758406 is about 645.3381685225.

The spelling of 268758406 in words is "two hundred sixty-eight million, seven hundred fifty-eight thousand, four hundred six".