4200420078789 has 8 divisors (see below), whose sum is σ = 6109701932832. Its totient is φ = 2545709138640.

The previous prime is 4200420078773. The next prime is 4200420078871. The reversal of 4200420078789 is 9878700240024.

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

It is not a de Polignac number, because 4200420078789 - 2⁴ = 4200420078773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200420078719) 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, 63642728434 + ... + 63642728499.

It is an arithmetic number, because the mean of its divisors is an integer number (763712741604).

Almost surely, 2^{4200420078789} is an apocalyptic number.

It is an amenable number.

4200420078789 is a deficient number, since it is larger than the sum of its proper divisors (1909281854043).

4200420078789 is a wasteful number, since it uses less digits than its factorization.

4200420078789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127285456947.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 4200420078789 in words is "four trillion, two hundred billion, four hundred twenty million, seventy-eight thousand, seven hundred eighty-nine".