4067816844 has 48 divisors (see below), whose sum is σ = 11681938688. Its totient is φ = 1072830528.

The previous prime is 4067816783. The next prime is 4067816849. The reversal of 4067816844 is 4486187604.

It is a junction number, because it is equal to n+sod(n) for n = 4067816793 and 4067816802.

It is not an unprimeable number, because it can be changed into a prime (4067816849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861462 + ... + 1863645.

Almost surely, 2^4067816844 is an apocalyptic number.

It is an amenable number.

4067816844 is an abundant number, since it is smaller than the sum of its proper divisors (7614121844).

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

4067816844 is a wasteful number, since it uses less digits than its factorization.

4067816844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725134 (or 3725132 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 4067816844 is about 63779.4390379846. The cubic root of 4067816844 is about 1596.3218693050.

The spelling of 4067816844 in words is "four billion, sixty-seven million, eight hundred sixteen thousand, eight hundred forty-four".