268019804 has 18 divisors (see below), whose sum is σ = 507890880. Its totient is φ = 123701136.

The previous prime is 268019789. The next prime is 268019809. The reversal of 268019804 is 408910862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268019809) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 197564 + ... + 198915.

It is an arithmetic number, because the mean of its divisors is an integer number (28216160).

Almost surely, 2^268019804 is an apocalyptic number.

It is an amenable number.

268019804 is a deficient number, since it is larger than the sum of its proper divisors (239871076).

268019804 is a wasteful number, since it uses less digits than its factorization.

268019804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396509 (or 396494 counting only the distinct ones).

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

The square root of 268019804 is about 16371.3103934902. The cubic root of 268019804 is about 644.7464532364.

The spelling of 268019804 in words is "two hundred sixty-eight million, nineteen thousand, eight hundred four".