440538029 has 2 divisors, whose sum is σ = 440538030. Its totient is φ = 440538028.

The previous prime is 440538023. The next prime is 440538037. The reversal of 440538029 is 920835044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403608100 + 36929929 = 20090^2 + 6077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440538029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440538029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440538023) 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 as a sum of consecutive naturals, namely, 220269014 + 220269015.

It is an arithmetic number, because the mean of its divisors is an integer number (220269015).

Almost surely, 2^440538029 is an apocalyptic number.

It is an amenable number.

440538029 is a deficient number, since it is larger than the sum of its proper divisors (1).

440538029 is an equidigital number, since it uses as much as digits as its factorization.

440538029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 440538029 is about 20988.9978083757. The cubic root of 440538029 is about 760.9003808326.

The spelling of 440538029 in words is "four hundred forty million, five hundred thirty-eight thousand, twenty-nine".