4438565085 has 32 divisors (see below), whose sum is σ = 7429750272. Its totient is φ = 2260344320.

The previous prime is 4438565057. The next prime is 4438565107. The reversal of 4438565085 is 5805658344.

It is a happy number.

It is not a de Polignac number, because 4438565085 - 2¹³ = 4438556893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47874 + ... + 105683.

It is an arithmetic number, because the mean of its divisors is an integer number (232179696).

Almost surely, 2^4438565085 is an apocalyptic number.

It is an amenable number.

4438565085 is a deficient number, since it is larger than the sum of its proper divisors (2991185187).

4438565085 is a wasteful number, since it uses less digits than its factorization.

4438565085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153653.

The product of its (nonzero) digits is 2304000, while the sum is 48.

The square root of 4438565085 is about 66622.5568782826. The cubic root of 4438565085 is about 1643.4160756047.

The spelling of 4438565085 in words is "four billion, four hundred thirty-eight million, five hundred sixty-five thousand, eighty-five".