42442042000 has 40 divisors (see below), whose sum is σ = 102624862392. Its totient is φ = 16976816000.

The previous prime is 42442041953. The next prime is 42442042001. The reversal of 42442042000 is 24024424.

It can be written as a sum of positive squares in 4 ways, for example, as 1237913856 + 41204128144 = 35184^2 + 202988^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (42442042001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10608511 + ... + 10612510.

Almost surely, 2^42442042000 is an apocalyptic number.

42442042000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42442042000 is an abundant number, since it is smaller than the sum of its proper divisors (60182820392).

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

42442042000 is a wasteful number, since it uses less digits than its factorization.

42442042000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21221044 (or 21221028 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 42442042000 its reverse (24024424), we get a palindrome (42466066424).

The spelling of 42442042000 in words is "forty-two billion, four hundred forty-two million, forty-two thousand".