4399420585 has 16 divisors (see below), whose sum is σ = 6039228672. Its totient is φ = 3013876800.

The previous prime is 4399420567. The next prime is 4399420591. The reversal of 4399420585 is 5850249934.

It is not a de Polignac number, because 4399420585 - 2⁷ = 4399420457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22101 + ... + 96370.

It is an arithmetic number, because the mean of its divisors is an integer number (377451792).

Almost surely, 2^4399420585 is an apocalyptic number.

It is an amenable number.

4399420585 is a deficient number, since it is larger than the sum of its proper divisors (1639808087).

4399420585 is a wasteful number, since it uses less digits than its factorization.

4399420585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119544.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 4399420585 is about 66328.1281584216. The cubic root of 4399420585 is about 1638.5706097053.

The spelling of 4399420585 in words is "four billion, three hundred ninety-nine million, four hundred twenty thousand, five hundred eighty-five".