444444040408 has 16 divisors (see below), whose sum is σ = 838149529680. Its totient is φ = 220937499168.

The previous prime is 444444040373. The next prime is 444444040409. The reversal of 444444040408 is 804040444444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444040409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160563660 + ... + 160566427.

It is an arithmetic number, because the mean of its divisors is an integer number (52384345605).

Almost surely, 2^444444040408 is an apocalyptic number.

It is an amenable number.

444444040408 is a deficient number, since it is larger than the sum of its proper divisors (393705489272).

444444040408 is a wasteful number, since it uses less digits than its factorization.

444444040408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321130266 (or 321130262 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 40.

The spelling of 444444040408 in words is "four hundred forty-four billion, four hundred forty-four million, forty thousand, four hundred eight".