4381919488 has 54 divisors (see below), whose sum is σ = 9059178674. Its totient is φ = 2115305472.

The previous prime is 4381919447. The next prime is 4381919489. The reversal of 4381919488 is 8849191834.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 522031104 + 3859888384 = 22848^2 + 62128^2 .

It is not an unprimeable number, because it can be changed into a prime (4381919489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205120 + ... + 225472.

Almost surely, 2^4381919488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4381919488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4529589337).

4381919488 is an abundant number, since it is smaller than the sum of its proper divisors (4677259186).

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

4381919488 is an equidigital number, since it uses as much as digits as its factorization.

4381919488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20427 (or 20384 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 55.

The square root of 4381919488 is about 66196.0685237424. The cubic root of 4381919488 is about 1636.3949524991.

The spelling of 4381919488 in words is "four billion, three hundred eighty-one million, nine hundred nineteen thousand, four hundred eighty-eight".