444440814 has 8 divisors (see below), whose sum is σ = 888881640. Its totient is φ = 148146936.

The previous prime is 444440791. The next prime is 444440827. The reversal of 444440814 is 418044444.

It is a sphenic number, since it is the product of 3 distinct primes.

444440814 is an admirable number.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37036729 + ... + 37036740.

It is an arithmetic number, because the mean of its divisors is an integer number (111110205).

Almost surely, 2^444440814 is an apocalyptic number.

444440814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

444440814 is a wasteful number, since it uses less digits than its factorization.

444440814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74073474.

The product of its (nonzero) digits is 32768, while the sum is 33.

The square root of 444440814 is about 21081.7649640631. The cubic root of 444440814 is about 763.1407504525.

The spelling of 444440814 in words is "four hundred forty-four million, four hundred forty thousand, eight hundred fourteen".