2034404021 has 8 divisors (see below), whose sum is σ = 2193139200. Its totient is φ = 1875989232.

The previous prime is 2034404011. The next prime is 2034404023. The reversal of 2034404021 is 1204044302.

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

It is not a de Polignac number, because 2034404021 - 2²⁶ = 1967295157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2034403984 and 2034404002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2034404023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66821 + ... + 92378.

It is an arithmetic number, because the mean of its divisors is an integer number (274142400).

Almost surely, 2^2034404021 is an apocalyptic number.

It is an amenable number.

2034404021 is a deficient number, since it is larger than the sum of its proper divisors (158735179).

2034404021 is a wasteful number, since it uses less digits than its factorization.

2034404021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160195.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2034404021 is about 45104.3680922369. The cubic root of 2034404021 is about 1267.1044083161.

Adding to 2034404021 its reverse (1204044302), we get a palindrome (3238448323).

The spelling of 2034404021 in words is "two billion, thirty-four million, four hundred four thousand, twenty-one".