2040330021 has 8 divisors (see below), whose sum is σ = 2880465984. Its totient is φ = 1280207040.

The previous prime is 2040330011. The next prime is 2040330043. The reversal of 2040330021 is 1200330402.

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

It is not a de Polignac number, because 2040330021 - 2⁶ = 2040329957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040330011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20003185 + ... + 20003286.

It is an arithmetic number, because the mean of its divisors is an integer number (360058248).

Almost surely, 2^2040330021 is an apocalyptic number.

It is an amenable number.

2040330021 is a deficient number, since it is larger than the sum of its proper divisors (840135963).

2040330021 is a wasteful number, since it uses less digits than its factorization.

2040330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40006491.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2040330021 is about 45170.0124086766. The cubic root of 2040330021 is about 1268.3335285871. Note that the first 3 decimals are identical.

Adding to 2040330021 its reverse (1200330402), we get a palindrome (3240660423).

The spelling of 2040330021 in words is "two billion, forty million, three hundred thirty thousand, twenty-one".