444101021 has 8 divisors (see below), whose sum is σ = 546585984. Its totient is φ = 351376560.

The previous prime is 444100967. The next prime is 444101023. The reversal of 444101021 is 120101444.

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 444101021 - 2¹⁴ = 444084637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444101023) 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, 2440025 + ... + 2440206.

It is an arithmetic number, because the mean of its divisors is an integer number (68323248).

Almost surely, 2^444101021 is an apocalyptic number.

It is an amenable number.

444101021 is a deficient number, since it is larger than the sum of its proper divisors (102484963).

444101021 is a wasteful number, since it uses less digits than its factorization.

444101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880251.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 444101021 is about 21073.7044916170. The cubic root of 444101021 is about 762.9462168654.

Adding to 444101021 its reverse (120101444), we get a palindrome (564202465).

The spelling of 444101021 in words is "four hundred forty-four million, one hundred one thousand, twenty-one".