440044440808 has 24 divisors (see below), whose sum is σ = 959790809250. Its totient is φ = 188590474464.

The previous prime is 440044440763. The next prime is 440044440809. The reversal of 440044440808 is 808044440044.

It can be written as a sum of positive squares in only one way, i.e., 361275527844 + 78768912964 = 601062^2 + 280658^2 .

It is not an unprimeable number, because it can be changed into a prime (440044440809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561280783 + ... + 561281566.

Almost surely, 2^440044440808 is an apocalyptic number.

It is an amenable number.

440044440808 is an abundant number, since it is smaller than the sum of its proper divisors (519746368442).

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

440044440808 is a wasteful number, since it uses less digits than its factorization.

440044440808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122562369 (or 1122562358 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The spelling of 440044440808 in words is "four hundred forty billion, forty-four million, four hundred forty thousand, eight hundred eight".