40162047102257 has 2 divisors, whose sum is σ = 40162047102258. Its totient is φ = 40162047102256.

The previous prime is 40162047102239. The next prime is 40162047102283. The reversal of 40162047102257 is 75220174026104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29384194476961 + 10777852625296 = 5420719^2 + 3282964^2 .

It is a cyclic number.

It is not a de Polignac number, because 40162047102257 - 2⁴⁴ = 22569861057841 is a prime.

It is a super-2 number, since 2×40162047102257² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40162047102217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081023551128 + 20081023551129.

It is an arithmetic number, because the mean of its divisors is an integer number (20081023551129).

Almost surely, 2^{40162047102257} is an apocalyptic number.

It is an amenable number.

40162047102257 is a deficient number, since it is larger than the sum of its proper divisors (1).

40162047102257 is an equidigital number, since it uses as much as digits as its factorization.

40162047102257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 40162047102257 in words is "forty trillion, one hundred sixty-two billion, forty-seven million, one hundred two thousand, two hundred fifty-seven".