444242221001 has 8 divisors (see below), whose sum is σ = 470398005504. Its totient is φ = 418089090880.

The previous prime is 444242220991. The next prime is 444242221019. The reversal of 444242221001 is 100122242444.

It is a happy number.

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 444242221001 - 2¹⁸ = 444241958857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444242220001) 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, 313745 + ... + 993438.

It is an arithmetic number, because the mean of its divisors is an integer number (58799750688).

Almost surely, 2^444242221001 is an apocalyptic number.

It is an amenable number.

444242221001 is a deficient number, since it is larger than the sum of its proper divisors (26155784503).

444242221001 is a wasteful number, since it uses less digits than its factorization.

444242221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327191.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 444242221001 its reverse (100122242444), we get a palindrome (544364463445).

The spelling of 444242221001 in words is "four hundred forty-four billion, two hundred forty-two million, two hundred twenty-one thousand, one".