40234406287 has 2 divisors, whose sum is σ = 40234406288. Its totient is φ = 40234406286.

The previous prime is 40234406249. The next prime is 40234406297. The reversal of 40234406287 is 78260443204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40234406287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40234406297) 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, 20117203143 + 20117203144.

It is an arithmetic number, because the mean of its divisors is an integer number (20117203144).

Almost surely, 2^40234406287 is an apocalyptic number.

40234406287 is a deficient number, since it is larger than the sum of its proper divisors (1).

40234406287 is an equidigital number, since it uses as much as digits as its factorization.

40234406287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 40234406287 in words is "forty billion, two hundred thirty-four million, four hundred six thousand, two hundred eighty-seven".