444315442 has 16 divisors (see below), whose sum is σ = 684922392. Its totient is φ = 216042880.

The previous prime is 444315439. The next prime is 444315457. The reversal of 444315442 is 244513444.

It can be written as a sum of positive squares in 4 ways, for example, as 161772961 + 282542481 = 12719^2 + 16809^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17448 + ... + 34540.

Almost surely, 2^444315442 is an apocalyptic number.

444315442 is a deficient number, since it is larger than the sum of its proper divisors (240606950).

444315442 is a wasteful number, since it uses less digits than its factorization.

444315442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17453.

The product of its digits is 30720, while the sum is 31.

The square root of 444315442 is about 21078.7912841320. The cubic root of 444315442 is about 763.0689857563.

Adding to 444315442 its reverse (244513444), we get a palindrome (688828886).

The spelling of 444315442 in words is "four hundred forty-four million, three hundred fifteen thousand, four hundred forty-two".