444243331 has 8 divisors (see below), whose sum is σ = 507838464. Its totient is φ = 380681160.

The previous prime is 444243329. The next prime is 444243353. The reversal of 444243331 is 133342444.

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 444243331 - 2¹ = 444243329 is a prime.

It is a super-2 number, since 2×444243331² = 394704274275951122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444243331.

It is not an unprimeable number, because it can be changed into a prime (444243311) 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, 37836 + ... + 48166.

It is an arithmetic number, because the mean of its divisors is an integer number (63479808).

Almost surely, 2^444243331 is an apocalyptic number.

444243331 is a deficient number, since it is larger than the sum of its proper divisors (63595133).

444243331 is a wasteful number, since it uses less digits than its factorization.

444243331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16481.

The product of its digits is 13824, while the sum is 28.

The square root of 444243331 is about 21077.0807039305. The cubic root of 444243331 is about 763.0277022900.

Adding to 444243331 its reverse (133342444), we get a palindrome (577585775).

The spelling of 444243331 in words is "four hundred forty-four million, two hundred forty-three thousand, three hundred thirty-one".