268551406 has 16 divisors (see below), whose sum is σ = 406831104. Its totient is φ = 132945624.

The previous prime is 268551391. The next prime is 268551407. The reversal of 268551406 is 604155862.

268551406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268551407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 188011 + ... + 189433.

It is an arithmetic number, because the mean of its divisors is an integer number (25426944).

Almost surely, 2^268551406 is an apocalyptic number.

268551406 is a deficient number, since it is larger than the sum of its proper divisors (138279698).

268551406 is a wasteful number, since it uses less digits than its factorization.

268551406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 268551406 is about 16387.5381311532. The cubic root of 268551406 is about 645.1724443272.

The spelling of 268551406 in words is "two hundred sixty-eight million, five hundred fifty-one thousand, four hundred six".