4001322845 has 8 divisors (see below), whose sum is σ = 5170940376. Its totient is φ = 2954822976.

The previous prime is 4001322797. The next prime is 4001322869. The reversal of 4001322845 is 5482231004.

It is a happy number.

4001322845 is digitally balanced in base 3, 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 349054489 + 3652268356 = 18683^2 + 60434^2 .

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 4001322845 - 2³⁰ = 2927581021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30779342 + ... + 30779471.

It is an arithmetic number, because the mean of its divisors is an integer number (646367547).

Almost surely, 2^4001322845 is an apocalyptic number.

It is an amenable number.

4001322845 is a deficient number, since it is larger than the sum of its proper divisors (1169617531).

4001322845 is a wasteful number, since it uses less digits than its factorization.

4001322845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61558831.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4001322845 is about 63256.0103468437. The cubic root of 4001322845 is about 1587.5760231434.

Adding to 4001322845 its reverse (5482231004), we get a palindrome (9483553849).

The spelling of 4001322845 in words is "four billion, one million, three hundred twenty-two thousand, eight hundred forty-five".