40587858287617 has 2 divisors, whose sum is σ = 40587858287618. Its totient is φ = 40587858287616.

The previous prime is 40587858287591. The next prime is 40587858287651. The reversal of 40587858287617 is 71678285878504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39117069044496 + 1470789243121 = 6254364^2 + 1212761^2 .

It is a cyclic number.

It is not a de Polignac number, because 40587858287617 - 2¹⁹ = 40587857763329 is a prime.

It is not a weakly prime, because it can be changed into another prime (40587858287657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20293929143808 + 20293929143809.

It is an arithmetic number, because the mean of its divisors is an integer number (20293929143809).

Almost surely, 2^{40587858287617} is an apocalyptic number.

It is an amenable number.

40587858287617 is a deficient number, since it is larger than the sum of its proper divisors (1).

40587858287617 is an equidigital number, since it uses as much as digits as its factorization.

40587858287617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1685913600, while the sum is 76.

The spelling of 40587858287617 in words is "forty trillion, five hundred eighty-seven billion, eight hundred fifty-eight million, two hundred eighty-seven thousand, six hundred seventeen".