200400434444 has 12 divisors (see below), whose sum is σ = 400800868944. Its totient is φ = 85885900464.

The previous prime is 200400434401. The next prime is 200400434489. The reversal of 200400434444 is 444434004002.

It is a happy number.

200400434444 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578579159 + ... + 3578579214.

It is an arithmetic number, because the mean of its divisors is an integer number (33400072412).

Almost surely, 2^200400434444 is an apocalyptic number.

It is an amenable number.

200400434444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

200400434444 is a wasteful number, since it uses less digits than its factorization.

200400434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157158384 (or 7157158382 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 200400434444 its reverse (444434004002), we get a palindrome (644834438446).

The spelling of 200400434444 in words is "two hundred billion, four hundred million, four hundred thirty-four thousand, four hundred forty-four".