440444198 has 16 divisors (see below), whose sum is σ = 671425200. Its totient is φ = 216644736.

The previous prime is 440444183. The next prime is 440444201. The reversal of 440444198 is 891444044.

It is a happy 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125978 + ... + 129426.

It is an arithmetic number, because the mean of its divisors is an integer number (41964075).

Almost surely, 2^440444198 is an apocalyptic number.

440444198 is a deficient number, since it is larger than the sum of its proper divisors (230981002).

440444198 is a wasteful number, since it uses less digits than its factorization.

440444198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 440444198 is about 20986.7624468378. The cubic root of 440444198 is about 760.8463551425.

The spelling of 440444198 in words is "four hundred forty million, four hundred forty-four thousand, one hundred ninety-eight".