440022141 has 24 divisors (see below), whose sum is σ = 692186040. Its totient is φ = 267734016.

The previous prime is 440022119. The next prime is 440022151. The reversal of 440022141 is 141220044.

440022141 is a `hidden beast` number, since 4 + 400 + 221 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 910116 + 439112025 = 954^2 + 20955^2 .

It is not a de Polignac number, because 440022141 - 2⁵ = 440022109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440022151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10716 + ... + 31541.

It is an arithmetic number, because the mean of its divisors is an integer number (28841085).

Almost surely, 2^440022141 is an apocalyptic number.

It is an amenable number.

440022141 is a deficient number, since it is larger than the sum of its proper divisors (252163899).

440022141 is a wasteful number, since it uses less digits than its factorization.

440022141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42365 (or 42362 counting only the distinct ones).

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

The square root of 440022141 is about 20976.7047221436. The cubic root of 440022141 is about 760.6032496914.

Adding to 440022141 its reverse (141220044), we get a palindrome (581242185).

The spelling of 440022141 in words is "four hundred forty million, twenty-two thousand, one hundred forty-one".