444455404 has 12 divisors (see below), whose sum is σ = 811614384. Its totient is φ = 212565584.

The previous prime is 444455393. The next prime is 444455411. The reversal of 444455404 is 404554444.

It is a super-3 number, since 3×444455404³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 444455404.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2415427 + ... + 2415610.

It is an arithmetic number, because the mean of its divisors is an integer number (67634532).

Almost surely, 2^444455404 is an apocalyptic number.

It is an amenable number.

444455404 is a deficient number, since it is larger than the sum of its proper divisors (367158980).

444455404 is a wasteful number, since it uses less digits than its factorization.

444455404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831064 (or 4831062 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 34.

The square root of 444455404 is about 21082.1109948696. The cubic root of 444455404 is about 763.1491010970.

The spelling of 444455404 in words is "four hundred forty-four million, four hundred fifty-five thousand, four hundred four".