40034422409 has 2 divisors, whose sum is σ = 40034422410. Its totient is φ = 40034422408.

The previous prime is 40034422399. The next prime is 40034422453. The reversal of 40034422409 is 90422443004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34606416784 + 5428005625 = 186028^2 + 73675^2 .

It is a cyclic number.

It is not a de Polignac number, because 40034422409 - 2¹² = 40034418313 is a prime.

It is not a weakly prime, because it can be changed into another prime (40034422499) by changing a digit.

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 as a sum of consecutive naturals, namely, 20017211204 + 20017211205.

It is an arithmetic number, because the mean of its divisors is an integer number (20017211205).

Almost surely, 2^40034422409 is an apocalyptic number.

It is an amenable number.

40034422409 is a deficient number, since it is larger than the sum of its proper divisors (1).

40034422409 is an equidigital number, since it uses as much as digits as its factorization.

40034422409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 40034422409 in words is "forty billion, thirty-four million, four hundred twenty-two thousand, four hundred nine".