200305310040 has 96 divisors (see below), whose sum is σ = 710173386000. Its totient is φ = 48558862080.

The previous prime is 200305310039. The next prime is 200305310057. The reversal of 200305310040 is 40013503002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200305309995 and 200305310022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25287115 + ... + 25295034.

Almost surely, 2^200305310040 is an apocalyptic number.

200305310040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200305310040 is an abundant number, since it is smaller than the sum of its proper divisors (509868075960).

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

200305310040 is a wasteful number, since it uses less digits than its factorization.

200305310040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50582177 (or 50582170 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 200305310040 its reverse (40013503002), we get a palindrome (240318813042).

The spelling of 200305310040 in words is "two hundred billion, three hundred five million, three hundred ten thousand, forty".