2040450565 has 8 divisors (see below), whose sum is σ = 2577411360. Its totient is φ = 1546446672.

The previous prime is 2040450557. The next prime is 2040450569. The reversal of 2040450565 is 5650540402.

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

It is a cyclic number.

It is not a de Polignac number, because 2040450565 - 2³ = 2040450557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040450569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10739119 + ... + 10739308.

It is an arithmetic number, because the mean of its divisors is an integer number (322176420).

Almost surely, 2^2040450565 is an apocalyptic number.

It is an amenable number.

2040450565 is a deficient number, since it is larger than the sum of its proper divisors (536960795).

2040450565 is a wasteful number, since it uses less digits than its factorization.

2040450565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21478451.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2040450565 is about 45171.3467255516. The cubic root of 2040450565 is about 1268.3585060800.

Adding to 2040450565 its reverse (5650540402), we get a palindrome (7690990967).

The spelling of 2040450565 in words is "two billion, forty million, four hundred fifty thousand, five hundred sixty-five".