40351206602417 has 2 divisors, whose sum is σ = 40351206602418. Its totient is φ = 40351206602416.

The previous prime is 40351206602351. The next prime is 40351206602549. The reversal of 40351206602417 is 71420660215304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32604202780081 + 7747003822336 = 5710009^2 + 2783344^2 .

It is a cyclic number.

It is not a de Polignac number, because 40351206602417 - 2¹² = 40351206598321 is a prime.

It is not a weakly prime, because it can be changed into another prime (40351206602617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20175603301208 + 20175603301209.

It is an arithmetic number, because the mean of its divisors is an integer number (20175603301209).

Almost surely, 2^{40351206602417} is an apocalyptic number.

It is an amenable number.

40351206602417 is a deficient number, since it is larger than the sum of its proper divisors (1).

40351206602417 is an equidigital number, since it uses as much as digits as its factorization.

40351206602417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 40351206602417 in words is "forty trillion, three hundred fifty-one billion, two hundred six million, six hundred two thousand, four hundred seventeen".