200031432320440 has 64 divisors (see below), whose sum is σ = 514375343516160. Its totient is φ = 68581031598720.

The previous prime is 200031432320437. The next prime is 200031432320501. The reversal of 200031432320440 is 44023234130002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 200031432320399 and 200031432320408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10355059 + ... + 22523101.

It is an arithmetic number, because the mean of its divisors is an integer number (8037114742440).

Almost surely, 2^{200031432320440} is an apocalyptic number.

200031432320440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200031432320440 is an abundant number, since it is smaller than the sum of its proper divisors (314343911195720).

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

200031432320440 is a wasteful number, since it uses less digits than its factorization.

200031432320440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226772 (or 12226768 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 200031432320440 its reverse (44023234130002), we get a palindrome (244054666450442).

The spelling of 200031432320440 in words is "two hundred trillion, thirty-one billion, four hundred thirty-two million, three hundred twenty thousand, four hundred forty".