440521420010201 has 2 divisors, whose sum is σ = 440521420010202. Its totient is φ = 440521420010200.

The previous prime is 440521420010107. The next prime is 440521420010207. The reversal of 440521420010201 is 102010024125044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305095250584576 + 135426169425625 = 17466976^2 + 11637275^2 .

It is a cyclic number.

It is not a de Polignac number, because 440521420010201 - 2¹⁸ = 440521419748057 is a prime.

It is not a weakly prime, because it can be changed into another prime (440521420010207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220260710005100 + 220260710005101.

It is an arithmetic number, because the mean of its divisors is an integer number (220260710005101).

Almost surely, 2^{440521420010201} is an apocalyptic number.

It is an amenable number.

440521420010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

440521420010201 is an equidigital number, since it uses as much as digits as its factorization.

440521420010201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 440521420010201 its reverse (102010024125044), we get a palindrome (542531444135245).

The spelling of 440521420010201 in words is "four hundred forty trillion, five hundred twenty-one billion, four hundred twenty million, ten thousand, two hundred one".