42000842019 has 8 divisors (see below), whose sum is σ = 56025554512. Its totient is φ = 27988345440.

The previous prime is 42000841979. The next prime is 42000842077. The reversal of 42000842019 is 91024800024.

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

It is not a de Polignac number, because 42000842019 - 2⁹ = 42000841507 is a prime.

It is a super-2 number, since 2×42000842019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42000842089) 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, 3045952 + ... + 3059709.

It is an arithmetic number, because the mean of its divisors is an integer number (7003194314).

Almost surely, 2^42000842019 is an apocalyptic number.

42000842019 is a deficient number, since it is larger than the sum of its proper divisors (14024712493).

42000842019 is a wasteful number, since it uses less digits than its factorization.

42000842019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107957.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 42000842019 in words is "forty-two billion, eight hundred forty-two thousand, nineteen".