444240101 has 4 divisors (see below), whose sum is σ = 463554912. Its totient is φ = 424925292.

The previous prime is 444240079. The next prime is 444240143. The reversal of 444240101 is 101042444.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444240101 - 2¹⁸ = 443977957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444240161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9657371 + ... + 9657416.

It is an arithmetic number, because the mean of its divisors is an integer number (115888728).

Almost surely, 2^444240101 is an apocalyptic number.

It is an amenable number.

444240101 is a deficient number, since it is larger than the sum of its proper divisors (19314811).

444240101 is a wasteful number, since it uses less digits than its factorization.

444240101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19314810.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 444240101 is about 21077.0040802767. The cubic root of 444240101 is about 763.0258530141.

Adding to 444240101 its reverse (101042444), we get a palindrome (545282545).

The spelling of 444240101 in words is "four hundred forty-four million, two hundred forty thousand, one hundred one".