40881873860257 has 2 divisors, whose sum is σ = 40881873860258. Its totient is φ = 40881873860256.

The previous prime is 40881873860237. The next prime is 40881873860357. The reversal of 40881873860257 is 75206837818804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36587691098176 + 4294182762081 = 6048776^2 + 2072241^2 .

It is a cyclic number.

It is not a de Polignac number, because 40881873860257 - 2¹⁹ = 40881873335969 is a prime.

It is a super-2 number, since 2×40881873860257² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40881873860192 and 40881873860201.

It is not a weakly prime, because it can be changed into another prime (40881873860237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20440936930128 + 20440936930129.

It is an arithmetic number, because the mean of its divisors is an integer number (20440936930129).

Almost surely, 2^{40881873860257} is an apocalyptic number.

It is an amenable number.

40881873860257 is a deficient number, since it is larger than the sum of its proper divisors (1).

40881873860257 is an equidigital number, since it uses as much as digits as its factorization.

40881873860257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144506880, while the sum is 67.

The spelling of 40881873860257 in words is "forty trillion, eight hundred eighty-one billion, eight hundred seventy-three million, eight hundred sixty thousand, two hundred fifty-seven".