444445001 has 16 divisors (see below), whose sum is σ = 596738688. Its totient is φ = 319680000.

The previous prime is 444444983. The next prime is 444445013. The reversal of 444445001 is 100544444.

It is a cyclic number.

It is not a de Polignac number, because 444445001 - 2²² = 440250697 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444445051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221000 + ... + 223001.

It is an arithmetic number, because the mean of its divisors is an integer number (37296168).

Almost surely, 2^444445001 is an apocalyptic number.

It is an amenable number.

444445001 is a deficient number, since it is larger than the sum of its proper divisors (152293687).

444445001 is a wasteful number, since it uses less digits than its factorization.

444445001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444032.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 444445001 is about 21081.8642676591. The cubic root of 444445001 is about 763.1431469173.

Adding to 444445001 its reverse (100544444), we get a palindrome (544989445).

The spelling of 444445001 in words is "four hundred forty-four million, four hundred forty-five thousand, one".