2041440545 has 8 divisors (see below), whose sum is σ = 2469018624. Its totient is φ = 1620292464.

The previous prime is 2041440539. The next prime is 2041440559. The reversal of 2041440545 is 5450441402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2041440545 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 1606799 + ... + 1608068.

It is an arithmetic number, because the mean of its divisors is an integer number (308627328).

Almost surely, 2^2041440545 is an apocalyptic number.

It is an amenable number.

2041440545 is a deficient number, since it is larger than the sum of its proper divisors (427578079).

2041440545 is a wasteful number, since it uses less digits than its factorization.

2041440545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214999.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2041440545 is about 45182.3034494701. The cubic root of 2041440545 is about 1268.5635991052.

Adding to 2041440545 its reverse (5450441402), we get a palindrome (7491881947).

The spelling of 2041440545 in words is "two billion, forty-one million, four hundred forty thousand, five hundred forty-five".