440000055571 has 2 divisors, whose sum is σ = 440000055572. Its totient is φ = 440000055570.

The previous prime is 440000055557. The next prime is 440000055631. The reversal of 440000055571 is 175550000044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440000055571 - 2¹³ = 440000047379 is a prime.

It is not a weakly prime, because it can be changed into another prime (440000055371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220000027785 + 220000027786.

It is an arithmetic number, because the mean of its divisors is an integer number (220000027786).

Almost surely, 2^440000055571 is an apocalyptic number.

440000055571 is a deficient number, since it is larger than the sum of its proper divisors (1).

440000055571 is an equidigital number, since it uses as much as digits as its factorization.

440000055571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 31.

The spelling of 440000055571 in words is "four hundred forty billion, fifty-five thousand, five hundred seventy-one".