444042231 has 8 divisors (see below), whose sum is σ = 592226544. Its totient is φ = 295943040.

The previous prime is 444042211. The next prime is 444042251. The reversal of 444042231 is 132240444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (444042211) and next prime (444042251).

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

It is not a de Polignac number, because 444042231 - 2⁵ = 444042199 is a prime.

It is a super-2 number, since 2×444042231² = 394347005822914722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444042211) 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, 7906 + ... + 30831.

It is an arithmetic number, because the mean of its divisors is an integer number (74028318).

Almost surely, 2^444042231 is an apocalyptic number.

444042231 is a deficient number, since it is larger than the sum of its proper divisors (148184313).

444042231 is a wasteful number, since it uses less digits than its factorization.

444042231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42561.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 444042231 is about 21072.3095791610. The cubic root of 444042231 is about 762.9125491597.

Adding to 444042231 its reverse (132240444), we get a palindrome (576282675).

The spelling of 444042231 in words is "four hundred forty-four million, forty-two thousand, two hundred thirty-one".