4091448585 has 16 divisors (see below), whose sum is σ = 7481506176. Its totient is φ = 1870376448.

The previous prime is 4091448583. The next prime is 4091448617. The reversal of 4091448585 is 5858441904.

It is not a de Polignac number, because 4091448585 - 2¹ = 4091448583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4091448583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19482984 + ... + 19483193.

It is an arithmetic number, because the mean of its divisors is an integer number (467594136).

Almost surely, 2^4091448585 is an apocalyptic number.

It is an amenable number.

4091448585 is a deficient number, since it is larger than the sum of its proper divisors (3390057591).

4091448585 is a wasteful number, since it uses less digits than its factorization.

4091448585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38966192.

The product of its (nonzero) digits is 921600, while the sum is 48.

The square root of 4091448585 is about 63964.4321869584. The cubic root of 4091448585 is about 1599.4071481949.

It can be divided in two parts, 4091 and 448585, that added together give a triangular number (452676 = T₉₅₁).

The spelling of 4091448585 in words is "four billion, ninety-one million, four hundred forty-eight thousand, five hundred eighty-five".