42120304399 has 8 divisors (see below), whose sum is σ = 42516508320. Its totient is φ = 41724278496.

The previous prime is 42120304357. The next prime is 42120304403. The reversal of 42120304399 is 99340302124.

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 42120304399 - 2⁹ = 42120303887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120304339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457389 + ... + 541705.

It is an arithmetic number, because the mean of its divisors is an integer number (5314563540).

Almost surely, 2^42120304399 is an apocalyptic number.

42120304399 is a deficient number, since it is larger than the sum of its proper divisors (396203921).

42120304399 is a wasteful number, since it uses less digits than its factorization.

42120304399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89009.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 42120304399 in words is "forty-two billion, one hundred twenty million, three hundred four thousand, three hundred ninety-nine".