2021440041 has 24 divisors (see below), whose sum is σ = 3048814080. Its totient is φ = 1288978656.

The previous prime is 2021440013. The next prime is 2021440051. The reversal of 2021440041 is 1400441202.

It is not a de Polignac number, because 2021440041 - 2⁵ = 2021440009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021439996 and 2021440023.

It is not an unprimeable number, because it can be changed into a prime (2021440051) 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 23 ways as a sum of consecutive naturals, for example, 8265 + ... + 64118.

It is an arithmetic number, because the mean of its divisors is an integer number (127033920).

Almost surely, 2^2021440041 is an apocalyptic number.

It is an amenable number.

2021440041 is a deficient number, since it is larger than the sum of its proper divisors (1027374039).

2021440041 is a wasteful number, since it uses less digits than its factorization.

2021440041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72525 (or 72522 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2021440041 is about 44960.4275001918. The cubic root of 2021440041 is about 1264.4071838914.

Adding to 2021440041 its reverse (1400441202), we get a palindrome (3421881243).

The spelling of 2021440041 in words is "two billion, twenty-one million, four hundred forty thousand, forty-one".