2440065 has 8 divisors (see below), whose sum is σ = 3904128. Its totient is φ = 1301360.

The previous prime is 2440049. The next prime is 2440069. The reversal of 2440065 is 5600442.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2440065 - 2⁴ = 2440049 is a prime.

2440065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2440069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81321 + ... + 81350.

It is an arithmetic number, because the mean of its divisors is an integer number (488016).

2^2440065 is an apocalyptic number.

It is an amenable number.

2440065 is a deficient number, since it is larger than the sum of its proper divisors (1464063).

2440065 is a wasteful number, since it uses less digits than its factorization.

2440065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162679.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2440065 is about 1562.0707410358. The cubic root of 2440065 is about 134.6275053869.

The spelling of 2440065 in words is "two million, four hundred forty thousand, sixty-five".