40416836393 has 2 divisors, whose sum is σ = 40416836394. Its totient is φ = 40416836392.

The previous prime is 40416836387. The next prime is 40416836413. The reversal of 40416836393 is 39363861404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35665077904 + 4751758489 = 188852^2 + 68933^2 .

It is a cyclic number.

It is not a de Polignac number, because 40416836393 - 2¹⁶ = 40416770857 is a prime.

It is not a weakly prime, because it can be changed into another prime (40416806393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20208418196 + 20208418197.

It is an arithmetic number, because the mean of its divisors is an integer number (20208418197).

Almost surely, 2^40416836393 is an apocalyptic number.

It is an amenable number.

40416836393 is a deficient number, since it is larger than the sum of its proper divisors (1).

40416836393 is an equidigital number, since it uses as much as digits as its factorization.

40416836393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 40416836393 in words is "forty billion, four hundred sixteen million, eight hundred thirty-six thousand, three hundred ninety-three".