1268768704 has 28 divisors (see below), whose sum is σ = 2877387184. Its totient is φ = 543757824.

The previous prime is 1268768687. The next prime is 1268768717. The reversal of 1268768704 is 4078678621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415589 + ... + 1416484.

It is an arithmetic number, because the mean of its divisors is an integer number (102763828).

Almost surely, 2^1268768704 is an apocalyptic number.

1268768704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1268768704 is an abundant number, since it is smaller than the sum of its proper divisors (1608618480).

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

1268768704 is an equidigital number, since it uses as much as digits as its factorization.

1268768704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832092 (or 2832082 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 1268768704 is about 35619.7796736588. The cubic root of 1268768704 is about 1082.5820432886.

The spelling of 1268768704 in words is "one billion, two hundred sixty-eight million, seven hundred sixty-eight thousand, seven hundred four".