42040444242 has 8 divisors (see below), whose sum is σ = 84080888496. Its totient is φ = 14013481412.

The previous prime is 42040444231. The next prime is 42040444261. The reversal of 42040444242 is 24244404024.

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

42040444242 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3503370348 + ... + 3503370359.

It is an arithmetic number, because the mean of its divisors is an integer number (10510111062).

Almost surely, 2^42040444242 is an apocalyptic number.

42040444242 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.

42040444242 is a wasteful number, since it uses less digits than its factorization.

42040444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7006740712.

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

Adding to 42040444242 its reverse (24244404024), we get a palindrome (66284848266).

The spelling of 42040444242 in words is "forty-two billion, forty million, four hundred forty-four thousand, two hundred forty-two".