268208080 has 40 divisors (see below), whose sum is σ = 712668672. Its totient is φ = 91956864.

The previous prime is 268208069. The next prime is 268208089. The reversal of 268208080 is 80802862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268208089) 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 7 ways as a sum of consecutive naturals, for example, 238912 + ... + 240031.

Almost surely, 2^268208080 is an apocalyptic number.

268208080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268208080 is an abundant number, since it is smaller than the sum of its proper divisors (444460592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268208080 is a wasteful number, since it uses less digits than its factorization.

268208080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478963 (or 478957 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 268208080 is about 16377.0595651356. The cubic root of 268208080 is about 644.8973896823.

The spelling of 268208080 in words is "two hundred sixty-eight million, two hundred eight thousand, eighty".