4200420412422 has 128 divisors (see below), whose sum is σ = 10109538848640. Its totient is φ = 1285092864000.

The previous prime is 4200420412417. The next prime is 4200420412453. The reversal of 4200420412422 is 2242140240024.

4200420412422 is a `hidden beast` number, since 4 + 20 + 0 + 4 + 204 + 12 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 111810522 + ... + 111848082.

It is an arithmetic number, because the mean of its divisors is an integer number (78980772255).

Almost surely, 2^{4200420412422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4200420412422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5054769424320).

4200420412422 is an abundant number, since it is smaller than the sum of its proper divisors (5909118436218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4200420412422 is a wasteful number, since it uses less digits than its factorization.

4200420412422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38487 (or 38481 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 4200420412422 its reverse (2242140240024), we get a palindrome (6442560652446).

The spelling of 4200420412422 in words is "four trillion, two hundred billion, four hundred twenty million, four hundred twelve thousand, four hundred twenty-two".