2021444035 has 16 divisors (see below), whose sum is σ = 2613764160. Its totient is φ = 1491937920.

The previous prime is 2021444023. The next prime is 2021444059. The reversal of 2021444035 is 5304441202.

It is a happy number.

It is not a de Polignac number, because 2021444035 - 2²⁷ = 1887226307 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 126970 + ... + 142000.

It is an arithmetic number, because the mean of its divisors is an integer number (163360260).

Almost surely, 2^2021444035 is an apocalyptic number.

2021444035 is a deficient number, since it is larger than the sum of its proper divisors (592320125).

2021444035 is a wasteful number, since it uses less digits than its factorization.

2021444035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17118.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2021444035 is about 44960.4719170073. The cubic root of 2021444035 is about 1264.4080166375.

Adding to 2021444035 its reverse (5304441202), we get a palindrome (7325885237).

The spelling of 2021444035 in words is "two billion, twenty-one million, four hundred forty-four thousand, thirty-five".