444263634 has 12 divisors (see below), whose sum is σ = 962571246. Its totient is φ = 148087872.

The previous prime is 444263627. The next prime is 444263711. The reversal of 444263634 is 436362444.

It can be written as a sum of positive squares in only one way, i.e., 223652025 + 220611609 = 14955^2 + 14853^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12340639 + ... + 12340674.

Almost surely, 2^444263634 is an apocalyptic number.

444263634 is an abundant number, since it is smaller than the sum of its proper divisors (518307612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444263634 is a wasteful number, since it uses less digits than its factorization.

444263634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24681321 (or 24681318 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The square root of 444263634 is about 21077.5623353366. The cubic root of 444263634 is about 763.0393261864.

The spelling of 444263634 in words is "four hundred forty-four million, two hundred sixty-three thousand, six hundred thirty-four".