438384483834 has 64 divisors (see below), whose sum is σ = 966706876800. Its totient is φ = 131424800000.

The previous prime is 438384483833. The next prime is 438384483881.

It is a happy number.

438384483834 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (438384483833) 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, 8647192 + ... + 8697740.

It is an arithmetic number, because the mean of its divisors is an integer number (15104794950).

Almost surely, 2^438384483834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438384483834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483353438400).

438384483834 is an abundant number, since it is smaller than the sum of its proper divisors (528322392966).

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

438384483834 is a wasteful number, since it uses less digits than its factorization.

438384483834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51967.

The product of its digits is 84934656, while the sum is 60.

The spelling of 438384483834 in words is "four hundred thirty-eight billion, three hundred eighty-four million, four hundred eighty-three thousand, eight hundred thirty-four".