268078426752 has 32 divisors (see below), whose sum is σ = 712083322080. Its totient is φ = 89359475456.

The previous prime is 268078426741. The next prime is 268078426793. The reversal of 268078426752 is 257624870862.

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

It is a junction number, because it is equal to n+sod(n) for n = 268078426692 and 268078426701.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 349060068 + ... + 349060835.

It is an arithmetic number, because the mean of its divisors is an integer number (22252603815).

Almost surely, 2^268078426752 is an apocalyptic number.

It is an amenable number.

268078426752 is an abundant number, since it is smaller than the sum of its proper divisors (444004895328).

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

268078426752 is an equidigital number, since it uses as much as digits as its factorization.

268078426752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698120920 (or 698120908 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 268078426752 in words is "two hundred sixty-eight billion, seventy-eight million, four hundred twenty-six thousand, seven hundred fifty-two".