442243042043 has 16 divisors (see below), whose sum is σ = 487588622976. Its totient is φ = 397757264640.

The previous prime is 442243041997. The next prime is 442243042067. The reversal of 442243042043 is 340240342244.

It is a cyclic number.

It is not a de Polignac number, because 442243042043 - 2³² = 437948074747 is a prime.

It is a super-2 number, since 2×442243042043² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442243042643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3091580 + ... + 3231462.

It is an arithmetic number, because the mean of its divisors is an integer number (30474288936).

Almost surely, 2^442243042043 is an apocalyptic number.

442243042043 is a deficient number, since it is larger than the sum of its proper divisors (45345580933).

442243042043 is a wasteful number, since it uses less digits than its factorization.

442243042043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142954.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 442243042043 its reverse (340240342244), we get a palindrome (782483384287).

The spelling of 442243042043 in words is "four hundred forty-two billion, two hundred forty-three million, forty-two thousand, forty-three".