1268440694800 has 60 divisors (see below), whose sum is σ = 3055385871360. Its totient is φ = 506051474560.

The previous prime is 1268440694779. The next prime is 1268440694803. The reversal of 1268440694800 is 84960448621.

It is not an unprimeable number, because it can be changed into a prime (1268440694803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3986620 + ... + 4293019.

It is an arithmetic number, because the mean of its divisors is an integer number (50923097856).

Almost surely, 2^{1268440694800} is an apocalyptic number.

1268440694800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1268440694800 is an abundant number, since it is smaller than the sum of its proper divisors (1786945176560).

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

1268440694800 is a wasteful number, since it uses less digits than its factorization.

1268440694800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280040 (or 8280029 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 1268440694800 in words is "one trillion, two hundred sixty-eight billion, four hundred forty million, six hundred ninety-four thousand, eight hundred".