4081019168 has 54 divisors (see below), whose sum is σ = 8416161747. Its totient is φ = 1947816640.

The previous prime is 4081019147. The next prime is 4081019183. The reversal of 4081019168 is 8619101804.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 2040509584 + 2040509584 = 45172^2 + 45172^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45172.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 8311403 + ... + 8311893.

Almost surely, 2^4081019168 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 4081019168

4081019168 is an abundant number, since it is smaller than the sum of its proper divisors (4335142579).

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

4081019168 is an frugal number, since it uses more digits than its factorization.

4081019168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 4081019168 is about 63882.8550395174. The cubic root of 4081019168 is about 1598.0469878931.

The spelling of 4081019168 in words is "four billion, eighty-one million, nineteen thousand, one hundred sixty-eight".