440450141 has 2 divisors, whose sum is σ = 440450142. Its totient is φ = 440450140.

The previous prime is 440450119. The next prime is 440450149. The reversal of 440450141 is 141054044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340550116 + 99900025 = 18454^2 + 9995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440450141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440450149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220225070 + 220225071.

It is an arithmetic number, because the mean of its divisors is an integer number (220225071).

Almost surely, 2^440450141 is an apocalyptic number.

It is an amenable number.

440450141 is a deficient number, since it is larger than the sum of its proper divisors (1).

440450141 is an equidigital number, since it uses as much as digits as its factorization.

440450141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 440450141 is about 20986.9040356123. The cubic root of 440450141 is about 760.8497772102.

It can be divided in two parts, 4404 and 50141, that added together give a palindrome (54545).

The spelling of 440450141 in words is "four hundred forty million, four hundred fifty thousand, one hundred forty-one".