268002673280 has 32 divisors (see below), whose sum is σ = 640693892340. Its totient is φ = 107201069056.

The previous prime is 268002673273. The next prime is 268002673319. The reversal of 268002673280 is 82376200862.

It can be written as a sum of positive squares in 2 ways, for example, as 267487564864 + 515108416 = 517192^2 + 22696^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209376449 + ... + 209377728.

Almost surely, 2^268002673280 is an apocalyptic number.

268002673280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268002673280 is an abundant number, since it is smaller than the sum of its proper divisors (372691219060).

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

268002673280 is an equidigital number, since it uses as much as digits as its factorization.

268002673280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418754196 (or 418754184 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 268002673280 in words is "two hundred sixty-eight billion, two million, six hundred seventy-three thousand, two hundred eighty".