1244481768 has 48 divisors (see below), whose sum is σ = 3372202080. Its totient is φ = 414614304.

The previous prime is 1244481737. The next prime is 1244481809. The reversal of 1244481768 is 8671844421.

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 11 ways as a sum of consecutive naturals, for example, 204871 + ... + 210857.

It is an arithmetic number, because the mean of its divisors is an integer number (70254210).

Almost surely, 2^1244481768 is an apocalyptic number.

1244481768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1244481768 is an abundant number, since it is smaller than the sum of its proper divisors (2127720312).

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

1244481768 is a wasteful number, since it uses less digits than its factorization.

1244481768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886 (or 8879 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 1244481768 is about 35277.2131552366. The cubic root of 1244481768 is about 1075.6298506161.

The spelling of 1244481768 in words is "one billion, two hundred forty-four million, four hundred eighty-one thousand, seven hundred sixty-eight".