1268305288250 has 256 divisors, whose sum is σ = 3220753536000. Its totient is φ = 361138176000.

The previous prime is 1268305288249. The next prime is 1268305288267. The reversal of 1268305288250 is 528825038621.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24248126 + ... + 24300374.

It is an arithmetic number, because the mean of its divisors is an integer number (12581068500).

Almost surely, 2^{1268305288250} is an apocalyptic number.

1268305288250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268305288250 is an abundant number, since it is smaller than the sum of its proper divisors (1952448247750).

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

1268305288250 is a wasteful number, since it uses less digits than its factorization.

1268305288250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52394 (or 52384 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 1268305288250 in words is "one trillion, two hundred sixty-eight billion, three hundred five million, two hundred eighty-eight thousand, two hundred fifty".