40021303342117 has 2 divisors, whose sum is σ = 40021303342118. Its totient is φ = 40021303342116.

The previous prime is 40021303341979. The next prime is 40021303342123. The reversal of 40021303342117 is 71124330312004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23156556639876 + 16864746702241 = 4812126^2 + 4106671^2 .

It is a cyclic number.

It is not a de Polignac number, because 40021303342117 - 2¹⁹ = 40021302817829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40021303342177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20010651671058 + 20010651671059.

It is an arithmetic number, because the mean of its divisors is an integer number (20010651671059).

Almost surely, 2^{40021303342117} is an apocalyptic number.

It is an amenable number.

40021303342117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40021303342117 is an equidigital number, since it uses as much as digits as its factorization.

40021303342117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 40021303342117 in words is "forty trillion, twenty-one billion, three hundred three million, three hundred forty-two thousand, one hundred seventeen".