42444042443 has 16 divisors (see below), whose sum is σ = 49051474560. Its totient is φ = 36297091200.

The previous prime is 42444042437. The next prime is 42444042533. The reversal of 42444042443 is 34424044424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42444042443 - 2³² = 38149075147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42444042413) 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 in 15 ways as a sum of consecutive naturals, for example, 312728 + ... + 427418.

It is an arithmetic number, because the mean of its divisors is an integer number (3065717160).

Almost surely, 2^42444042443 is an apocalyptic number.

42444042443 is a deficient number, since it is larger than the sum of its proper divisors (6607432117).

42444042443 is a wasteful number, since it uses less digits than its factorization.

42444042443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116698.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 42444042443 its reverse (34424044424), we get a palindrome (76868086867).

The spelling of 42444042443 in words is "forty-two billion, four hundred forty-four million, forty-two thousand, four hundred forty-three".