2440045543 has 4 divisors (see below), whose sum is σ = 2627741368. Its totient is φ = 2252349720.

The previous prime is 2440045541. The next prime is 2440045571. The reversal of 2440045543 is 3455400442.

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 2440045543 - 2¹ = 2440045541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440045541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93847893 + ... + 93847918.

It is an arithmetic number, because the mean of its divisors is an integer number (656935342).

Almost surely, 2^2440045543 is an apocalyptic number.

2440045543 is a deficient number, since it is larger than the sum of its proper divisors (187695825).

2440045543 is a wasteful number, since it uses less digits than its factorization.

2440045543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187695824.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 2440045543 is about 49396.8171343053. The cubic root of 2440045543 is about 1346.2714754748.

Adding to 2440045543 its reverse (3455400442), we get a palindrome (5895445985).

The spelling of 2440045543 in words is "two billion, four hundred forty million, forty-five thousand, five hundred forty-three".