40718067413 has 2 divisors, whose sum is σ = 40718067414. Its totient is φ = 40718067412.

The previous prime is 40718067407. The next prime is 40718067469. The reversal of 40718067413 is 31476081704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24081453124 + 16636614289 = 155182^2 + 128983^2 .

It is a cyclic number.

It is not a de Polignac number, because 40718067413 - 2¹⁴ = 40718051029 is a prime.

It is a super-2 number, since 2×40718067413² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40718067473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20359033706 + 20359033707.

It is an arithmetic number, because the mean of its divisors is an integer number (20359033707).

Almost surely, 2^40718067413 is an apocalyptic number.

It is an amenable number.

40718067413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40718067413 is an equidigital number, since it uses as much as digits as its factorization.

40718067413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 40718067413 in words is "forty billion, seven hundred eighteen million, sixty-seven thousand, four hundred thirteen".