40433958263 has 2 divisors, whose sum is σ = 40433958264. Its totient is φ = 40433958262.

The previous prime is 40433958259. The next prime is 40433958277. The reversal of 40433958263 is 36285933404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40433958263 - 2² = 40433958259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40433958233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20216979131 + 20216979132.

It is an arithmetic number, because the mean of its divisors is an integer number (20216979132).

Almost surely, 2^40433958263 is an apocalyptic number.

40433958263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40433958263 is an equidigital number, since it uses as much as digits as its factorization.

40433958263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 40433958263 in words is "forty billion, four hundred thirty-three million, nine hundred fifty-eight thousand, two hundred sixty-three".