40433958277 has 2 divisors, whose sum is σ = 40433958278. Its totient is φ = 40433958276.

The previous prime is 40433958263. The next prime is 40433958281. The reversal of 40433958277 is 77285933404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38602032676 + 1831925601 = 196474^2 + 42801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40433958277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40433958077) 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, 20216979138 + 20216979139.

It is an arithmetic number, because the mean of its divisors is an integer number (20216979139).

Almost surely, 2^40433958277 is an apocalyptic number.

It is an amenable number.

40433958277 is a deficient number, since it is larger than the sum of its proper divisors (1).

40433958277 is an equidigital number, since it uses as much as digits as its factorization.

40433958277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 40433958277 in words is "forty billion, four hundred thirty-three million, nine hundred fifty-eight thousand, two hundred seventy-seven".