40257514916263 has 2 divisors, whose sum is σ = 40257514916264. Its totient is φ = 40257514916262.

The previous prime is 40257514916249. The next prime is 40257514916309. The reversal of 40257514916263 is 36261941575204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40257514916263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40257514916363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20128757458131 + 20128757458132.

It is an arithmetic number, because the mean of its divisors is an integer number (20128757458132).

Almost surely, 2^{40257514916263} is an apocalyptic number.

40257514916263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40257514916263 is an equidigital number, since it uses as much as digits as its factorization.

40257514916263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 40257514916263 in words is "forty trillion, two hundred fifty-seven billion, five hundred fourteen million, nine hundred sixteen thousand, two hundred sixty-three".