1263832768 has 56 divisors (see below), whose sum is σ = 2896874064. Its totient is φ = 540672000.

The previous prime is 1263832741. The next prime is 1263832771. The reversal of 1263832768 is 8672383621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40833 + ... + 64768.

It is an arithmetic number, because the mean of its divisors is an integer number (51729894).

Almost surely, 2^1263832768 is an apocalyptic number.

It is an amenable number.

1263832768 is an abundant number, since it is smaller than the sum of its proper divisors (1633041296).

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

1263832768 is a wasteful number, since it uses less digits than its factorization.

1263832768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105641 (or 105631 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 1263832768 is about 35550.4257077183. The cubic root of 1263832768 is about 1081.1763496984.

The spelling of 1263832768 in words is "one billion, two hundred sixty-three million, eight hundred thirty-two thousand, seven hundred sixty-eight".