200439043476 has 144 divisors (see below), whose sum is σ = 567913489920. Its totient is φ = 54797783040.

The previous prime is 200439043447. The next prime is 200439043477. The reversal of 200439043476 is 674340934002.

It is a happy number.

200439043476 is digitally balanced in base 3, 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 (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200439043477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1560516 + ... + 1684068.

It is an arithmetic number, because the mean of its divisors is an integer number (3943843680).

Almost surely, 2^200439043476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200439043476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283956744960).

200439043476 is an abundant number, since it is smaller than the sum of its proper divisors (367474446444).

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

200439043476 is a wasteful number, since it uses less digits than its factorization.

200439043476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123694 (or 123685 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

Adding to 200439043476 its reverse (674340934002), we get a palindrome (874779977478).

The spelling of 200439043476 in words is "two hundred billion, four hundred thirty-nine million, forty-three thousand, four hundred seventy-six".