40355305499 has 2 divisors, whose sum is σ = 40355305500. Its totient is φ = 40355305498.

The previous prime is 40355305451. The next prime is 40355305559. The reversal of 40355305499 is 99450355304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40355305499 - 2²⁴ = 40338528283 is a prime.

It is not a weakly prime, because it can be changed into another prime (40355305099) 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, 20177652749 + 20177652750.

It is an arithmetic number, because the mean of its divisors is an integer number (20177652750).

Almost surely, 2^40355305499 is an apocalyptic number.

40355305499 is a deficient number, since it is larger than the sum of its proper divisors (1).

40355305499 is an equidigital number, since it uses as much as digits as its factorization.

40355305499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458000, while the sum is 47.

The spelling of 40355305499 in words is "forty billion, three hundred fifty-five million, three hundred five thousand, four hundred ninety-nine".