40311211049 has 2 divisors, whose sum is σ = 40311211050. Its totient is φ = 40311211048.

The previous prime is 40311211033. The next prime is 40311211081. The reversal of 40311211049 is 94011211304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31913321449 + 8397889600 = 178643^2 + 91640^2 .

It is a cyclic number.

It is not a de Polignac number, because 40311211049 - 2⁴ = 40311211033 is a prime.

It is not a weakly prime, because it can be changed into another prime (40311211099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20155605524 + 20155605525.

It is an arithmetic number, because the mean of its divisors is an integer number (20155605525).

Almost surely, 2^40311211049 is an apocalyptic number.

It is an amenable number.

40311211049 is a deficient number, since it is larger than the sum of its proper divisors (1).

40311211049 is an equidigital number, since it uses as much as digits as its factorization.

40311211049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 40311211049 in words is "forty billion, three hundred eleven million, two hundred eleven thousand, forty-nine".