444444330442 has 48 divisors (see below), whose sum is σ = 791259440832. Its totient is φ = 186640796160.

The previous prime is 444444330433. The next prime is 444444330457. The reversal of 444444330442 is 244033444444.

It is a junction number, because it is equal to n+sod(n) for n = 444444330395 and 444444330404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 938218 + ... + 1330090.

It is an arithmetic number, because the mean of its divisors is an integer number (16484571684).

Almost surely, 2^444444330442 is an apocalyptic number.

444444330442 is a deficient number, since it is larger than the sum of its proper divisors (346815110390).

444444330442 is a wasteful number, since it uses less digits than its factorization.

444444330442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392123 (or 392116 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 40.

Adding to 444444330442 its reverse (244033444444), we get a palindrome (688477774886).

The spelling of 444444330442 in words is "four hundred forty-four billion, four hundred forty-four million, three hundred thirty thousand, four hundred forty-two".