268344436 has 6 divisors (see below), whose sum is σ = 469602770. Its totient is φ = 134172216.

The previous prime is 268344421. The next prime is 268344487. The reversal of 268344436 is 634443862.

It can be written as a sum of positive squares in only one way, i.e., 197683600 + 70660836 = 14060^2 + 8406^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33543051 + ... + 33543058.

Almost surely, 2^268344436 is an apocalyptic number.

It is an amenable number.

268344436 is a deficient number, since it is larger than the sum of its proper divisors (201258334).

268344436 is a wasteful number, since it uses less digits than its factorization.

268344436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67086113 (or 67086111 counting only the distinct ones).

The product of its digits is 331776, while the sum is 40.

The square root of 268344436 is about 16381.2220545355. Note that the first 3 decimals coincide. The cubic root of 268344436 is about 645.0066589862.

The spelling of 268344436 in words is "two hundred sixty-eight million, three hundred forty-four thousand, four hundred thirty-six".