200304612243640 has 64 divisors (see below), whose sum is σ = 450882714060000. Its totient is φ = 80086769395200.

The previous prime is 200304612243613. The next prime is 200304612243647. The reversal of 200304612243640 is 46342216403002.

It is a self number, because there is not a number n which added to its sum of digits gives 200304612243640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200304612243647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036134990 + ... + 1036328290.

Almost surely, 2^{200304612243640} is an apocalyptic number.

200304612243640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200304612243640 is an abundant number, since it is smaller than the sum of its proper divisors (250578101816360).

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

200304612243640 is a wasteful number, since it uses less digits than its factorization.

200304612243640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204520 (or 204516 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 200304612243640 its reverse (46342216403002), we get a palindrome (246646828646642).

The spelling of 200304612243640 in words is "two hundred trillion, three hundred four billion, six hundred twelve million, two hundred forty-three thousand, six hundred forty".