444345044 has 48 divisors (see below), whose sum is σ = 935879616. Its totient is φ = 181881600.

The previous prime is 444345043. The next prime is 444345061. The reversal of 444345044 is 440543444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 444345044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444345043) 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, 13979 + ... + 32925.

It is an arithmetic number, because the mean of its divisors is an integer number (19497492).

Almost surely, 2^444345044 is an apocalyptic number.

444345044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444345044 is an abundant number, since it is smaller than the sum of its proper divisors (491534572).

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

444345044 is a wasteful number, since it uses less digits than its factorization.

444345044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19016 (or 19014 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

The square root of 444345044 is about 21079.4934474242. The cubic root of 444345044 is about 763.0859315748.

Adding to 444345044 its reverse (440543444), we get a palindrome (884888488).

The spelling of 444345044 in words is "four hundred forty-four million, three hundred forty-five thousand, forty-four".