40322520013 has 2 divisors, whose sum is σ = 40322520014. Its totient is φ = 40322520012.

The previous prime is 40322520011. The next prime is 40322520023. The reversal of 40322520013 is 31002522304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39879291204 + 443228809 = 199698^2 + 21053^2 .

It is a cyclic number.

It is not a de Polignac number, because 40322520013 - 2¹ = 40322520011 is a prime.

Together with 40322520011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40322520011) 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, 20161260006 + 20161260007.

It is an arithmetic number, because the mean of its divisors is an integer number (20161260007).

Almost surely, 2^40322520013 is an apocalyptic number.

It is an amenable number.

40322520013 is a deficient number, since it is larger than the sum of its proper divisors (1).

40322520013 is an equidigital number, since it uses as much as digits as its factorization.

40322520013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The spelling of 40322520013 in words is "forty billion, three hundred twenty-two million, five hundred twenty thousand, thirteen".