40200116321 has 2 divisors, whose sum is σ = 40200116322. Its totient is φ = 40200116320.

The previous prime is 40200116287. The next prime is 40200116329. The reversal of 40200116321 is 12361100204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23573303296 + 16626813025 = 153536^2 + 128945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40200116321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40200116293 and 40200116302.

It is not a weakly prime, because it can be changed into another prime (40200116329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100058160 + 20100058161.

It is an arithmetic number, because the mean of its divisors is an integer number (20100058161).

Almost surely, 2^40200116321 is an apocalyptic number.

It is an amenable number.

40200116321 is a deficient number, since it is larger than the sum of its proper divisors (1).

40200116321 is an equidigital number, since it uses as much as digits as its factorization.

40200116321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 40200116321 its reverse (12361100204), we get a palindrome (52561216525).

The spelling of 40200116321 in words is "forty billion, two hundred million, one hundred sixteen thousand, three hundred twenty-one".