1268408322802 has 8 divisors (see below), whose sum is σ = 1904832571356. Its totient is φ = 633464132352.

The previous prime is 1268408322749. The next prime is 1268408322803. The reversal of 1268408322802 is 2082238048621.

It can be written as a sum of positive squares in 2 ways, for example, as 1267603522641 + 804800161 = 1125879^2 + 28369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1268408322803) by changing a digit.

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, 370012383 + ... + 370015810.

Almost surely, 2^{1268408322802} is an apocalyptic number.

1268408322802 is a deficient number, since it is larger than the sum of its proper divisors (636424248554).

1268408322802 is an equidigital number, since it uses as much as digits as its factorization.

1268408322802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740029052.

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 1268408322802 in words is "one trillion, two hundred sixty-eight billion, four hundred eight million, three hundred twenty-two thousand, eight hundred two".