42042030001 has 8 divisors (see below), whose sum is σ = 42366640680. Its totient is φ = 41718652032.

The previous prime is 42042029993. The next prime is 42042030007. The reversal of 42042030001 is 10003024024.

It can be written as a sum of positive squares in 4 ways, for example, as 20012346225 + 22029683776 = 141465^2 + 148424^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42042030001 - 2³ = 42042029993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42042030007) 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, 239646 + ... + 376183.

It is an arithmetic number, because the mean of its divisors is an integer number (5295830085).

Almost surely, 2^42042030001 is an apocalyptic number.

It is an amenable number.

42042030001 is a deficient number, since it is larger than the sum of its proper divisors (324610679).

42042030001 is a wasteful number, since it uses less digits than its factorization.

42042030001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616355.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 42042030001 its reverse (10003024024), we get a palindrome (52045054025).

The spelling of 42042030001 in words is "forty-two billion, forty-two million, thirty thousand, one".