440424040051 has 2 divisors, whose sum is σ = 440424040052. Its totient is φ = 440424040050.

The previous prime is 440424040033. The next prime is 440424040073. The reversal of 440424040051 is 150040424044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440424040051 - 2⁵ = 440424040019 is a prime.

It is not a weakly prime, because it can be changed into another prime (440424040351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220212020025 + 220212020026.

It is an arithmetic number, because the mean of its divisors is an integer number (220212020026).

Almost surely, 2^440424040051 is an apocalyptic number.

440424040051 is a deficient number, since it is larger than the sum of its proper divisors (1).

440424040051 is an equidigital number, since it uses as much as digits as its factorization.

440424040051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 440424040051 its reverse (150040424044), we get a palindrome (590464464095).

The spelling of 440424040051 in words is "four hundred forty billion, four hundred twenty-four million, forty thousand, fifty-one".