444244442 has 12 divisors (see below), whose sum is σ = 707871390. Its totient is φ = 209055936.

The previous prime is 444244441. The next prime is 444244457. The reversal of 444244442 is 244442444.

It can be written as a sum of positive squares in 3 ways, for example, as 434764201 + 9480241 = 20851^2 + 3079^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444244399 and 444244408.

It is not an unprimeable number, because it can be changed into a prime (444244441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383717 + ... + 384872.

Almost surely, 2^444244442 is an apocalyptic number.

444244442 is a deficient number, since it is larger than the sum of its proper divisors (263626948).

444244442 is a wasteful number, since it uses less digits than its factorization.

444244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768625 (or 768608 counting only the distinct ones).

The product of its digits is 65536, while the sum is 32.

The square root of 444244442 is about 21077.1070595563. The cubic root of 444244442 is about 763.0283383701.

Adding to 444244442 its reverse (244442444), we get a palindrome (688686886).

It can be divided in two parts, 4442 and 44442, that added together give a palindrome (48884).

The spelling of 444244442 in words is "four hundred forty-four million, two hundred forty-four thousand, four hundred forty-two".