444224018 has 32 divisors (see below), whose sum is σ = 772274304. Its totient is φ = 187713792.

The previous prime is 444223999. The next prime is 444224023. The reversal of 444224018 is 810422444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358496 + ... + 359732.

It is an arithmetic number, because the mean of its divisors is an integer number (24133572).

Almost surely, 2^444224018 is an apocalyptic number.

444224018 is a deficient number, since it is larger than the sum of its proper divisors (328050286).

444224018 is a wasteful number, since it uses less digits than its factorization.

444224018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 8192, while the sum is 29.

The square root of 444224018 is about 21076.6225472679. The cubic root of 444224018 is about 763.0166448608.

The spelling of 444224018 in words is "four hundred forty-four million, two hundred twenty-four thousand, eighteen".