200405344164 has 24 divisors (see below), whose sum is σ = 467624713248. Its totient is φ = 66800032320.

The previous prime is 200405344141. The next prime is 200405344193. The reversal of 200405344164 is 461443504002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309879 + ... + 704865.

It is an arithmetic number, because the mean of its divisors is an integer number (19484363052).

Almost surely, 2^200405344164 is an apocalyptic number.

It is an amenable number.

200405344164 is an abundant number, since it is smaller than the sum of its proper divisors (267219369084).

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

200405344164 is a wasteful number, since it uses less digits than its factorization.

200405344164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437275 (or 437273 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 200405344164 its reverse (461443504002), we get a palindrome (661848848166).

The spelling of 200405344164 in words is "two hundred billion, four hundred five million, three hundred forty-four thousand, one hundred sixty-four".