440615141 has 2 divisors, whose sum is σ = 440615142. Its totient is φ = 440615140.

The previous prime is 440615089. The next prime is 440615143. The reversal of 440615141 is 141516044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438023041 + 2592100 = 20929^2 + 1610^2 .

It is a cyclic number.

It is not a de Polignac number, because 440615141 - 2¹⁴ = 440598757 is a prime.

Together with 440615143, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440615141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440615143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220307570 + 220307571.

It is an arithmetic number, because the mean of its divisors is an integer number (220307571).

Almost surely, 2^440615141 is an apocalyptic number.

It is an amenable number.

440615141 is a deficient number, since it is larger than the sum of its proper divisors (1).

440615141 is an equidigital number, since it uses as much as digits as its factorization.

440615141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 440615141 is about 20990.8346904071. The cubic root of 440615141 is about 760.9447743720.

The spelling of 440615141 in words is "four hundred forty million, six hundred fifteen thousand, one hundred forty-one".