2021041444 has 6 divisors (see below), whose sum is σ = 3536822534. Its totient is φ = 1010520720.

The previous prime is 2021041439. The next prime is 2021041453. The reversal of 2021041444 is 4441401202.

It can be written as a sum of positive squares in only one way, i.e., 1790305344 + 230736100 = 42312^2 + 15190^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252630177 + ... + 252630184.

Almost surely, 2^2021041444 is an apocalyptic number.

It is an amenable number.

2021041444 is a deficient number, since it is larger than the sum of its proper divisors (1515781090).

2021041444 is a wasteful number, since it uses less digits than its factorization.

2021041444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505260365 (or 505260363 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2021041444 is about 44955.9945279826. The cubic root of 2021041444 is about 1264.3240711879.

Adding to 2021041444 its reverse (4441401202), we get a palindrome (6462442646).

The spelling of 2021041444 in words is "two billion, twenty-one million, forty-one thousand, four hundred forty-four".