42004031004043 has 8 divisors (see below), whose sum is σ = 46815638271120. Its totient is φ = 37452510616320.

The previous prime is 42004031004037. The next prime is 42004031004073. The reversal of 42004031004043 is 34040013040024.

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

It is not a de Polignac number, because 42004031004043 - 2⁵ = 42004031004011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42004031003999 and 42004031004017.

It is not an unprimeable number, because it can be changed into a prime (42004031004073) 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, 65021719498 + ... + 65021720143.

It is an arithmetic number, because the mean of its divisors is an integer number (5851954783890).

Almost surely, 2^{42004031004043} is an apocalyptic number.

42004031004043 is a deficient number, since it is larger than the sum of its proper divisors (4811607267077).

42004031004043 is a wasteful number, since it uses less digits than its factorization.

42004031004043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130043439677.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42004031004043 its reverse (34040013040024), we get a palindrome (76044044044067).

The spelling of 42004031004043 in words is "forty-two trillion, four billion, thirty-one million, four thousand, forty-three".