42104026321 has 8 divisors (see below), whose sum is σ = 48196880640. Its totient is φ = 36030670368.

The previous prime is 42104026291. The next prime is 42104026337. The reversal of 42104026321 is 12362040124.

It is a happy number.

42104026321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42104026321 - 2⁹ = 42104025809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42104026351) 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, 4869961 + ... + 4878598.

It is an arithmetic number, because the mean of its divisors is an integer number (6024610080).

Almost surely, 2^42104026321 is an apocalyptic number.

It is an amenable number.

42104026321 is a deficient number, since it is larger than the sum of its proper divisors (6092854319).

42104026321 is an equidigital number, since it uses as much as digits as its factorization.

42104026321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9749183.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42104026321 its reverse (12362040124), we get a palindrome (54466066445).

The spelling of 42104026321 in words is "forty-two billion, one hundred four million, twenty-six thousand, three hundred twenty-one".