2081116044 has 72 divisors (see below), whose sum is σ = 6276397680. Its totient is φ = 594603072.

The previous prime is 2081116043. The next prime is 2081116109. The reversal of 2081116044 is 4406111802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2081115999 and 2081116017.

It is not an unprimeable number, because it can be changed into a prime (2081116043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191337 + ... + 201920.

It is an arithmetic number, because the mean of its divisors is an integer number (87172190).

Almost surely, 2^2081116044 is an apocalyptic number.

It is an amenable number.

2081116044 is an abundant number, since it is smaller than the sum of its proper divisors (4195281636).

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

2081116044 is a wasteful number, since it uses less digits than its factorization.

2081116044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393284 (or 393269 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2081116044 is about 45619.2508048960. The cubic root of 2081116044 is about 1276.7291252210.

Adding to 2081116044 its reverse (4406111802), we get a palindrome (6487227846).

The spelling of 2081116044 in words is "two billion, eighty-one million, one hundred sixteen thousand, forty-four".