4028311841 has 4 divisors (see below), whose sum is σ = 4137185172. Its totient is φ = 3919438512.

The previous prime is 4028311817. The next prime is 4028311843. The reversal of 4028311841 is 1481138204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3013570816 + 1014741025 = 54896^2 + 31855^2 .

It is a cyclic number.

It is not a de Polignac number, because 4028311841 - 2²⁶ = 3961202977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4028311798 and 4028311807.

It is not an unprimeable number, because it can be changed into a prime (4028311843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54436610 + ... + 54436683.

It is an arithmetic number, because the mean of its divisors is an integer number (1034296293).

Almost surely, 2^4028311841 is an apocalyptic number.

It is an amenable number.

4028311841 is a deficient number, since it is larger than the sum of its proper divisors (108873331).

4028311841 is a wasteful number, since it uses less digits than its factorization.

4028311841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108873330.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 4028311841 is about 63468.9832989311. The cubic root of 4028311841 is about 1591.1374376373.

The spelling of 4028311841 in words is "four billion, twenty-eight million, three hundred eleven thousand, eight hundred forty-one".