40503445249 has 2 divisors, whose sum is σ = 40503445250. Its totient is φ = 40503445248.

The previous prime is 40503445223. The next prime is 40503445259. The reversal of 40503445249 is 94254430504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40360810000 + 142635249 = 200900^2 + 11943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40503445249 is a prime.

It is not a weakly prime, because it can be changed into another prime (40503445259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251722624 + 20251722625.

It is an arithmetic number, because the mean of its divisors is an integer number (20251722625).

Almost surely, 2^40503445249 is an apocalyptic number.

It is an amenable number.

40503445249 is a deficient number, since it is larger than the sum of its proper divisors (1).

40503445249 is an equidigital number, since it uses as much as digits as its factorization.

40503445249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 40503445249 in words is "forty billion, five hundred three million, four hundred forty-five thousand, two hundred forty-nine".