40293427815533 has 2 divisors, whose sum is σ = 40293427815534. Its totient is φ = 40293427815532.

The previous prime is 40293427815481. The next prime is 40293427815601. The reversal of 40293427815533 is 33551872439204.

40293427815533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29444981300329 + 10848446515204 = 5426323^2 + 3293698^2 .

It is a cyclic number.

It is not a de Polignac number, because 40293427815533 - 2¹² = 40293427811437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40293427815833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20146713907766 + 20146713907767.

It is an arithmetic number, because the mean of its divisors is an integer number (20146713907767).

Almost surely, 2^{40293427815533} is an apocalyptic number.

It is an amenable number.

40293427815533 is a deficient number, since it is larger than the sum of its proper divisors (1).

40293427815533 is an equidigital number, since it uses as much as digits as its factorization.

40293427815533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 40293427815533 in words is "forty trillion, two hundred ninety-three billion, four hundred twenty-seven million, eight hundred fifteen thousand, five hundred thirty-three".