442400044403 has 2 divisors, whose sum is σ = 442400044404. Its totient is φ = 442400044402.

The previous prime is 442400044313. The next prime is 442400044417. The reversal of 442400044403 is 304440004244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442400044403 - 2³⁰ = 441326302579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (442400044423) 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, 221200022201 + 221200022202.

It is an arithmetic number, because the mean of its divisors is an integer number (221200022202).

Almost surely, 2^442400044403 is an apocalyptic number.

442400044403 is a deficient number, since it is larger than the sum of its proper divisors (1).

442400044403 is an equidigital number, since it uses as much as digits as its factorization.

442400044403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 442400044403 its reverse (304440004244), we get a palindrome (746840048647).

The spelling of 442400044403 in words is "four hundred forty-two billion, four hundred million, forty-four thousand, four hundred three".