444322132 has 48 divisors (see below), whose sum is σ = 856880640. Its totient is φ = 200678400.

The previous prime is 444322051. The next prime is 444322133. The reversal of 444322132 is 231223444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 444322097 and 444322106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444322133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275344 + ... + 276952.

It is an arithmetic number, because the mean of its divisors is an integer number (17851680).

Almost surely, 2^444322132 is an apocalyptic number.

It is an amenable number.

444322132 is a deficient number, since it is larger than the sum of its proper divisors (412558508).

444322132 is a wasteful number, since it uses less digits than its factorization.

444322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1790 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 444322132 is about 21078.9499738483. The cubic root of 444322132 is about 763.0728155473.

Adding to 444322132 its reverse (231223444), we get a palindrome (675545576).

It can be divided in two parts, 44432 and 2132, that added together give a palindrome (46564).

The spelling of 444322132 in words is "four hundred forty-four million, three hundred twenty-two thousand, one hundred thirty-two".