440220141 has 6 divisors (see below), whose sum is σ = 635873550. Its totient is φ = 293480088.

The previous prime is 440220133. The next prime is 440220163. The reversal of 440220141 is 141022044.

440220141 is a `hidden beast` number, since 440 + 220 + 1 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 401842116 + 38378025 = 20046^2 + 6195^2 .

It is not a de Polignac number, because 440220141 - 2³ = 440220133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440222141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24456666 + ... + 24456683.

It is an arithmetic number, because the mean of its divisors is an integer number (105978925).

Almost surely, 2^440220141 is an apocalyptic number.

It is an amenable number.

440220141 is a deficient number, since it is larger than the sum of its proper divisors (195653409).

440220141 is a wasteful number, since it uses less digits than its factorization.

440220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48913355 (or 48913352 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 440220141 is about 20981.4237124176. The cubic root of 440220141 is about 760.7173173305.

Adding to 440220141 its reverse (141022044), we get a palindrome (581242185).

The spelling of 440220141 in words is "four hundred forty million, two hundred twenty thousand, one hundred forty-one".