40433422049 has 2 divisors, whose sum is σ = 40433422050. Its totient is φ = 40433422048.

The previous prime is 40433422021. The next prime is 40433422129. The reversal of 40433422049 is 94022433404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39547288225 + 886133824 = 198865^2 + 29768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40433422049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40433422649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20216711024 + 20216711025.

It is an arithmetic number, because the mean of its divisors is an integer number (20216711025).

Almost surely, 2^40433422049 is an apocalyptic number.

It is an amenable number.

40433422049 is a deficient number, since it is larger than the sum of its proper divisors (1).

40433422049 is an equidigital number, since it uses as much as digits as its factorization.

40433422049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 40433422049 in words is "forty billion, four hundred thirty-three million, four hundred twenty-two thousand, forty-nine".