42104442243 has 8 divisors (see below), whose sum is σ = 56308862656. Its totient is φ = 27984825000.

The previous prime is 42104442241. The next prime is 42104442287. The reversal of 42104442243 is 34224440124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42104442243 - 2¹ = 42104442241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42104442243.

It is not an unprimeable number, because it can be changed into a prime (42104442241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21199633 + ... + 21201618.

It is an arithmetic number, because the mean of its divisors is an integer number (7038607832).

Almost surely, 2^42104442243 is an apocalyptic number.

42104442243 is a deficient number, since it is larger than the sum of its proper divisors (14204420413).

42104442243 is a wasteful number, since it uses less digits than its factorization.

42104442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42401585.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 42104442243 its reverse (34224440124), we get a palindrome (76328882367).

The spelling of 42104442243 in words is "forty-two billion, one hundred four million, four hundred forty-two thousand, two hundred forty-three".