200042000406 has 80 divisors (see below), whose sum is σ = 463915045440. Its totient is φ = 64351324800.

The previous prime is 200042000317. The next prime is 200042000407. The reversal of 200042000406 is 604000240002.

200042000406 is a `hidden beast` number, since 200 + 0 + 420 + 0 + 0 + 40 + 6 = 666.

200042000406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200042000407) 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 39 ways as a sum of consecutive naturals, for example, 11487306 + ... + 11504706.

It is an arithmetic number, because the mean of its divisors is an integer number (5798938068).

Almost surely, 2^200042000406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200042000406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231957522720).

200042000406 is an abundant number, since it is smaller than the sum of its proper divisors (263873045034).

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

200042000406 is a wasteful number, since it uses less digits than its factorization.

200042000406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19891 (or 19882 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 200042000406 its reverse (604000240002), we get a palindrome (804042240408).

The spelling of 200042000406 in words is "two hundred billion, forty-two million, four hundred six", and thus it is an aban number.