440240198 has 8 divisors (see below), whose sum is σ = 664734000. Its totient is φ = 218662200.

The previous prime is 440240197. The next prime is 440240201. The reversal of 440240198 is 891042044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×440240198² = 387622863870158408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440240197) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 728573 + ... + 729176.

It is an arithmetic number, because the mean of its divisors is an integer number (83091750).

Almost surely, 2^440240198 is an apocalyptic number.

440240198 is a deficient number, since it is larger than the sum of its proper divisors (224493802).

440240198 is a wasteful number, since it uses less digits than its factorization.

440240198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457902.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 440240198 is about 20981.9016773981. The cubic root of 440240198 is about 760.7288702439.

The spelling of 440240198 in words is "four hundred forty million, two hundred forty thousand, one hundred ninety-eight".