440145201 has 8 divisors (see below), whose sum is σ = 587021344. Its totient is φ = 293349600.

The previous prime is 440145187. The next prime is 440145239. The reversal of 440145201 is 102541044.

It is a happy number.

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

It is not a de Polignac number, because 440145201 - 2⁵ = 440145169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (440145301) 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 7 ways as a sum of consecutive naturals, for example, 5956 + ... + 30261.

It is an arithmetic number, because the mean of its divisors is an integer number (73377668).

Almost surely, 2^440145201 is an apocalyptic number.

It is an amenable number.

440145201 is a deficient number, since it is larger than the sum of its proper divisors (146876143).

440145201 is a wasteful number, since it uses less digits than its factorization.

440145201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40271.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 440145201 is about 20979.6377709435. The cubic root of 440145201 is about 760.6741484810.

Adding to 440145201 its reverse (102541044), we get a palindrome (542686245).

The spelling of 440145201 in words is "four hundred forty million, one hundred forty-five thousand, two hundred one".