440066071 has 2 divisors, whose sum is σ = 440066072. Its totient is φ = 440066070.

The previous prime is 440066021. The next prime is 440066093. The reversal of 440066071 is 170660044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440066071 - 2¹⁵ = 440033303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440066021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220033035 + 220033036.

It is an arithmetic number, because the mean of its divisors is an integer number (220033036).

Almost surely, 2^440066071 is an apocalyptic number.

440066071 is a deficient number, since it is larger than the sum of its proper divisors (1).

440066071 is an equidigital number, since it uses as much as digits as its factorization.

440066071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 440066071 is about 20977.7518099533. The cubic root of 440066071 is about 760.6285606820.

The spelling of 440066071 in words is "four hundred forty million, sixty-six thousand, seventy-one".