40061246456069 has 2 divisors, whose sum is σ = 40061246456070. Its totient is φ = 40061246456068.

The previous prime is 40061246455969. The next prime is 40061246456083. The reversal of 40061246456069 is 96065464216004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37450275233569 + 2610971222500 = 6119663^2 + 1615850^2 .

It is a cyclic number.

It is not a de Polignac number, because 40061246456069 - 2²⁴ = 40061229678853 is a prime.

It is a super-2 number, since 2×40061246456069² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40061246456069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40061246456089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20030623228034 + 20030623228035.

It is an arithmetic number, because the mean of its divisors is an integer number (20030623228035).

Almost surely, 2^{40061246456069} is an apocalyptic number.

It is an amenable number.

40061246456069 is a deficient number, since it is larger than the sum of its proper divisors (1).

40061246456069 is an equidigital number, since it uses as much as digits as its factorization.

40061246456069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 40061246456069 in words is "forty trillion, sixty-one billion, two hundred forty-six million, four hundred fifty-six thousand, sixty-nine".