42002400001 has 8 divisors (see below), whose sum is σ = 42588638120. Its totient is φ = 41419289088.

The previous prime is 42002399909. The next prime is 42002400007. The reversal of 42002400001 is 10000420024.

It can be written as a sum of positive squares in 4 ways, for example, as 11837657601 + 30164742400 = 108801^2 + 173680^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42002400001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42002400007) 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, 754746 + ... + 808483.

It is an arithmetic number, because the mean of its divisors is an integer number (5323579765).

Almost surely, 2^42002400001 is an apocalyptic number.

It is an amenable number.

42002400001 is a deficient number, since it is larger than the sum of its proper divisors (586238119).

42002400001 is a wasteful number, since it uses less digits than its factorization.

42002400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563603.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 42002400001 its reverse (10000420024), we get a palindrome (52002820025).

The spelling of 42002400001 in words is "forty-two billion, two million, four hundred thousand, one".