440541394651 has 2 divisors, whose sum is σ = 440541394652. Its totient is φ = 440541394650.

The previous prime is 440541394619. The next prime is 440541394673. The reversal of 440541394651 is 156493145044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440541394651 - 2⁵ = 440541394619 is a prime.

It is not a weakly prime, because it can be changed into another prime (440541394151) 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, 220270697325 + 220270697326.

It is an arithmetic number, because the mean of its divisors is an integer number (220270697326).

Almost surely, 2^440541394651 is an apocalyptic number.

440541394651 is a deficient number, since it is larger than the sum of its proper divisors (1).

440541394651 is an equidigital number, since it uses as much as digits as its factorization.

440541394651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 440541394651 in words is "four hundred forty billion, five hundred forty-one million, three hundred ninety-four thousand, six hundred fifty-one".