4444541021 has 8 divisors (see below), whose sum is σ = 4643192064. Its totient is φ = 4249344960.

The previous prime is 4444540981. The next prime is 4444541029. The reversal of 4444541021 is 1201454444.

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

It is a cyclic number.

It is not a de Polignac number, because 4444541021 - 2¹⁸ = 4444278877 is a prime.

It is a super-3 number, since 3×4444541021³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444541029) 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, 861116 + ... + 866261.

It is an arithmetic number, because the mean of its divisors is an integer number (580399008).

Almost surely, 2^4444541021 is an apocalyptic number.

It is an amenable number.

4444541021 is a deficient number, since it is larger than the sum of its proper divisors (198651043).

4444541021 is a wasteful number, since it uses less digits than its factorization.

4444541021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727491.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 4444541021 is about 66667.3909868985. The cubic root of 4444541021 is about 1644.1532917141.

Adding to 4444541021 its reverse (1201454444), we get a palindrome (5645995465).

The spelling of 4444541021 in words is "four billion, four hundred forty-four million, five hundred forty-one thousand, twenty-one".