1268722298560 has 56 divisors (see below), whose sum is σ = 3118601287296. Its totient is φ = 491118305280.

The previous prime is 1268722298527. The next prime is 1268722298567. The reversal of 1268722298560 is 658922278621.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1268722298495 and 1268722298504.

It is not an unprimeable number, because it can be changed into a prime (1268722298567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63937777 + ... + 63957616.

Almost surely, 2^{1268722298560} is an apocalyptic number.

1268722298560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1268722298560 is an abundant number, since it is smaller than the sum of its proper divisors (1849878988736).

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

1268722298560 is a wasteful number, since it uses less digits than its factorization.

1268722298560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127895441 (or 127895431 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 1268722298560 in words is "one trillion, two hundred sixty-eight billion, seven hundred twenty-two million, two hundred ninety-eight thousand, five hundred sixty".