440120065 has 48 divisors (see below), whose sum is σ = 688657536. Its totient is φ = 262310400.

The previous prime is 440120059. The next prime is 440120071. The reversal of 440120065 is 560021044.

It is an interprime number because it is at equal distance from previous prime (440120059) and next prime (440120071).

It is not a de Polignac number, because 440120065 - 2¹¹ = 440118017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202585 + ... + 204745.

It is an arithmetic number, because the mean of its divisors is an integer number (14347032).

Almost surely, 2^440120065 is an apocalyptic number.

It is an amenable number.

440120065 is a deficient number, since it is larger than the sum of its proper divisors (248537471).

440120065 is a wasteful number, since it uses less digits than its factorization.

440120065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2207 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 440120065 is about 20979.0387053363. The cubic root of 440120065 is about 760.6596679041.

The spelling of 440120065 in words is "four hundred forty million, one hundred twenty thousand, sixty-five".