444441764 has 24 divisors (see below), whose sum is σ = 840049728. Its totient is φ = 204527520.

The previous prime is 444441737. The next prime is 444441793. The reversal of 444441764 is 467144444.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 5729 + ... + 30359.

It is an arithmetic number, because the mean of its divisors is an integer number (35002072).

Almost surely, 2^444441764 is an apocalyptic number.

It is an amenable number.

444441764 is a deficient number, since it is larger than the sum of its proper divisors (395607964).

444441764 is a wasteful number, since it uses less digits than its factorization.

444441764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24995 (or 24993 counting only the distinct ones).

The product of its digits is 172032, while the sum is 38.

The square root of 444441764 is about 21081.7874953714. The cubic root of 444441764 is about 763.1412941943.

The spelling of 444441764 in words is "four hundred forty-four million, four hundred forty-one thousand, seven hundred sixty-four".