8381441838 has 64 divisors (see below), whose sum is σ = 20935107072. Its totient is φ = 2173255680.

The previous prime is 8381441837. The next prime is 8381441857.

8381441838 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8381441833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258670 + ... + 289262.

It is an arithmetic number, because the mean of its divisors is an integer number (327111048).

Almost surely, 2^8381441838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8381441838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10467553536).

8381441838 is an abundant number, since it is smaller than the sum of its proper divisors (12553665234).

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

8381441838 is a wasteful number, since it uses less digits than its factorization.

8381441838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31209.

The product of its digits is 589824, while the sum is 48.

The square root of 8381441838 is about 91550.2148440953. The cubic root of 8381441838 is about 2031.2945901148.

The spelling of 8381441838 in words is "eight billion, three hundred eighty-one million, four hundred forty-one thousand, eight hundred thirty-eight".