2440205023 has 4 divisors (see below), whose sum is σ = 2442160000. Its totient is φ = 2438250048.

The previous prime is 2440204997. The next prime is 2440205059. The reversal of 2440205023 is 3205020442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2440205023 - 2⁹ = 2440204511 is a prime.

It is a super-4 number, since 4×2440205023⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440204985 and 2440205003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440205123) 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 3 ways as a sum of consecutive naturals, for example, 975615 + ... + 978112.

It is an arithmetic number, because the mean of its divisors is an integer number (610540000).

Almost surely, 2^2440205023 is an apocalyptic number.

2440205023 is a deficient number, since it is larger than the sum of its proper divisors (1954977).

2440205023 is a wasteful number, since it uses less digits than its factorization.

2440205023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954976.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2440205023 is about 49398.4313819781. The cubic root of 2440205023 is about 1346.3008053505.

Adding to 2440205023 its reverse (3205020442), we get a palindrome (5645225465).

The spelling of 2440205023 in words is "two billion, four hundred forty million, two hundred five thousand, twenty-three".