8220040585 has 8 divisors (see below), whose sum is σ = 10383209280. Its totient is φ = 6229925424.

The previous prime is 8220040573. The next prime is 8220040603. The reversal of 8220040585 is 5850400228.

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 8220040585 - 2¹³ = 8220032393 is a prime.

It is a super-4 number, since 4×8220040585⁴ (a number of 41 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8220040585.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43263277 + ... + 43263466.

It is an arithmetic number, because the mean of its divisors is an integer number (1297901160).

Almost surely, 2^8220040585 is an apocalyptic number.

It is an amenable number.

8220040585 is a deficient number, since it is larger than the sum of its proper divisors (2163168695).

8220040585 is a wasteful number, since it uses less digits than its factorization.

8220040585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86526767.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 8220040585 is about 90664.4394732577. The cubic root of 8220040585 is about 2018.1711206116.

The spelling of 8220040585 in words is "eight billion, two hundred twenty million, forty thousand, five hundred eighty-five".