42004442040042 has 8 divisors (see below), whose sum is σ = 84008884080096. Its totient is φ = 14001480680012.

The previous prime is 42004442040019. The next prime is 42004442040059. The reversal of 42004442040042 is 24004024440024.

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

42004442040042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42004442039991 and 42004442040009.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3500370169998 + ... + 3500370170009.

It is an arithmetic number, because the mean of its divisors is an integer number (10501110510012).

Almost surely, 2^{42004442040042} is an apocalyptic number.

42004442040042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42004442040042 is a wasteful number, since it uses less digits than its factorization.

42004442040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000740340012.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42004442040042 its reverse (24004024440024), we get a palindrome (66008466480066).

The spelling of 42004442040042 in words is "forty-two trillion, four billion, four hundred forty-two million, forty thousand, forty-two".