2041440749 has 4 divisors (see below), whose sum is σ = 2042225820. Its totient is φ = 2040655680.

The previous prime is 2041440743. The next prime is 2041440787. The reversal of 2041440749 is 9470441402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 669256900 + 1372183849 = 25870^2 + 37043^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041440749 - 2²⁴ = 2024663533 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 (2041440743) 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, 388622 + ... + 393839.

It is an arithmetic number, because the mean of its divisors is an integer number (510556455).

Almost surely, 2^2041440749 is an apocalyptic number.

It is an amenable number.

2041440749 is a deficient number, since it is larger than the sum of its proper divisors (785071).

2041440749 is an equidigital number, since it uses as much as digits as its factorization.

2041440749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785070.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2041440749 is about 45182.3057069911. The cubic root of 2041440749 is about 1268.5636413609.

The spelling of 2041440749 in words is "two billion, forty-one million, four hundred forty thousand, seven hundred forty-nine".