8381444748 has 24 divisors (see below), whose sum is σ = 19560817920. Its totient is φ = 2793227280.

The previous prime is 8381444741. The next prime is 8381444767. The reversal of 8381444748 is 8474441838.

It is a self number, because there is not a number n which added to its sum of digits gives 8381444748.

It is not an unprimeable number, because it can be changed into a prime (8381444741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11968 + ... + 130023.

It is an arithmetic number, because the mean of its divisors is an integer number (815034080).

Almost surely, 2^8381444748 is an apocalyptic number.

It is an amenable number.

8381444748 is an abundant number, since it is smaller than the sum of its proper divisors (11179373172).

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

8381444748 is a wasteful number, since it uses less digits than its factorization.

8381444748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146917 (or 146915 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 51.

The square root of 8381444748 is about 91550.2307370113. The cubic root of 8381444748 is about 2031.2948252003.

The spelling of 8381444748 in words is "eight billion, three hundred eighty-one million, four hundred forty-four thousand, seven hundred forty-eight".