4082206079809 has 81 divisors (see below), whose sum is σ = 4953047663907. Its totient is φ = 3360407450400.

The previous prime is 4082206079807. The next prime is 4082206079921. The reversal of 4082206079809 is 9089706022804.

The square root of 4082206079809 is 2020447.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 603876639025 + 3478329440784 = 777095^2 + 1865028^2 .

It is not a de Polignac number, because 4082206079809 - 2¹ = 4082206079807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4082206079809.

It is not an unprimeable number, because it can be changed into a prime (4082206079801) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 20513598292 + ... + 20513598490.

Almost surely, 2^{4082206079809} is an apocalyptic number.

4082206079809 is the 2020447-th square number.

4082206079809 is the 1010224-th centered octagonal number.

It is an amenable number.

4082206079809 is a deficient number, since it is larger than the sum of its proper divisors (870841584098).

4082206079809 is an equidigital number, since it uses as much as digits as its factorization.

4082206079809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 4082206079809 in words is "four trillion, eighty-two billion, two hundred six million, seventy-nine thousand, eight hundred nine".