40805300213 has 2 divisors, whose sum is σ = 40805300214. Its totient is φ = 40805300212.

The previous prime is 40805300153. The next prime is 40805300231. The reversal of 40805300213 is 31200350804.

Together with next prime (40805300231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22449927889 + 18355372324 = 149833^2 + 135482^2 .

It is a cyclic number.

It is not a de Polignac number, because 40805300213 - 2²⁰ = 40804251637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40805300233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20402650106 + 20402650107.

It is an arithmetic number, because the mean of its divisors is an integer number (20402650107).

Almost surely, 2^40805300213 is an apocalyptic number.

It is an amenable number.

40805300213 is a deficient number, since it is larger than the sum of its proper divisors (1).

40805300213 is an equidigital number, since it uses as much as digits as its factorization.

40805300213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 40805300213 in words is "forty billion, eight hundred five million, three hundred thousand, two hundred thirteen".