200400444234 has 48 divisors (see below), whose sum is σ = 449256810600. Its totient is φ = 64484719488.

The previous prime is 200400444227. The next prime is 200400444247. The reversal of 200400444234 is 432444004002.

It is a happy number.

200400444234 is a `hidden beast` number, since 20 + 0 + 400 + 4 + 4 + 4 + 234 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 108771338025 + 91629106209 = 329805^2 + 302703^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200400444198 and 200400444207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3030912 + ... + 3096324.

Almost surely, 2^200400444234 is an apocalyptic number.

200400444234 is an abundant number, since it is smaller than the sum of its proper divisors (248856366366).

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

200400444234 is a wasteful number, since it uses less digits than its factorization.

200400444234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71319 (or 71316 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 200400444234 its reverse (432444004002), we get a palindrome (632844448236).

The spelling of 200400444234 in words is "two hundred billion, four hundred million, four hundred forty-four thousand, two hundred thirty-four".