440248400191 has 2 divisors, whose sum is σ = 440248400192. Its totient is φ = 440248400190.

The previous prime is 440248400183. The next prime is 440248400297. The reversal of 440248400191 is 191004842044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440248400191 - 2³ = 440248400183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440248400191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440248400591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220124200095 + 220124200096.

It is an arithmetic number, because the mean of its divisors is an integer number (220124200096).

Almost surely, 2^440248400191 is an apocalyptic number.

440248400191 is a deficient number, since it is larger than the sum of its proper divisors (1).

440248400191 is an equidigital number, since it uses as much as digits as its factorization.

440248400191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 440248400191 in words is "four hundred forty billion, two hundred forty-eight million, four hundred thousand, one hundred ninety-one".