1268873360 has 40 divisors (see below), whose sum is σ = 2977216440. Its totient is φ = 502889472.

The previous prime is 1268873341. The next prime is 1268873363. The reversal of 1268873360 is 633788621.

It can be written as a sum of positive squares in 4 ways, for example, as 211062784 + 1057810576 = 14528^2 + 32524^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1268873360² = 3220079207435379200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1268873363) by changing a digit.

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, 64037 + ... + 81476.

It is an arithmetic number, because the mean of its divisors is an integer number (74430411).

Almost surely, 2^1268873360 is an apocalyptic number.

1268873360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1268873360 is an abundant number, since it is smaller than the sum of its proper divisors (1708343080).

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

1268873360 is a wasteful number, since it uses less digits than its factorization.

1268873360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145635 (or 145629 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1268873360 is about 35621.2487147770. The cubic root of 1268873360 is about 1082.6118085224.

The spelling of 1268873360 in words is "one billion, two hundred sixty-eight million, eight hundred seventy-three thousand, three hundred sixty".