4120043845 has 8 divisors (see below), whose sum is σ = 4987805976. Its totient is φ = 3266866176.

The previous prime is 4120043831. The next prime is 4120043947. The reversal of 4120043845 is 5483400214.

4120043845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 220166244 + 3899877601 = 14838^2 + 62449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4120043845 - 2¹³ = 4120035653 is a prime.

It is a super-2 number, since 2×4120043845² = 33949522569444768050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3645492 + ... + 3646621.

It is an arithmetic number, because the mean of its divisors is an integer number (623475747).

Almost surely, 2^4120043845 is an apocalyptic number.

It is an amenable number.

4120043845 is a deficient number, since it is larger than the sum of its proper divisors (867762131).

4120043845 is a wasteful number, since it uses less digits than its factorization.

4120043845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292231.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 4120043845 is about 64187.5676825349. The cubic root of 4120043845 is about 1603.1246030471.

The spelling of 4120043845 in words is "four billion, one hundred twenty million, forty-three thousand, eight hundred forty-five".