4040084081 has 16 divisors (see below), whose sum is σ = 4429833408. Its totient is φ = 3654129600.

The previous prime is 4040084063. The next prime is 4040084089. The reversal of 4040084081 is 1804800404.

It is a de Polignac number, because none of the positive numbers 2^k-4040084081 is a prime.

It is a super-2 number, since 2×4040084081² = 32644558763099229122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4040084089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3420311 + ... + 3421491.

It is an arithmetic number, because the mean of its divisors is an integer number (276864588).

Almost surely, 2^4040084081 is an apocalyptic number.

It is an amenable number.

4040084081 is a deficient number, since it is larger than the sum of its proper divisors (389749327).

4040084081 is a wasteful number, since it uses less digits than its factorization.

4040084081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 4040084081 is about 63561.6557446390. The cubic root of 4040084081 is about 1592.6858972658.

Adding to 4040084081 its reverse (1804800404), we get a palindrome (5844884485).

The spelling of 4040084081 in words is "four billion, forty million, eighty-four thousand, eighty-one".