268918004 has 6 divisors (see below), whose sum is σ = 470606514. Its totient is φ = 134459000.

The previous prime is 268918003. The next prime is 268918009. The reversal of 268918004 is 400819862.

It can be written as a sum of positive squares in only one way, i.e., 185232100 + 83685904 = 13610^2 + 9148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268918003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33614747 + ... + 33614754.

It is an arithmetic number, because the mean of its divisors is an integer number (78434419).

Almost surely, 2^268918004 is an apocalyptic number.

It is an amenable number.

268918004 is a deficient number, since it is larger than the sum of its proper divisors (201688510).

268918004 is a wasteful number, since it uses less digits than its factorization.

268918004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67229505 (or 67229503 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 268918004 is about 16398.7195841627. The cubic root of 268918004 is about 645.4658845904.

The spelling of 268918004 in words is "two hundred sixty-eight million, nine hundred eighteen thousand, four".