40046200217 has 2 divisors, whose sum is σ = 40046200218. Its totient is φ = 40046200216.

The previous prime is 40046200189. The next prime is 40046200309. The reversal of 40046200217 is 71200264004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38101478416 + 1944721801 = 195196^2 + 44099^2 .

It is a cyclic number.

It is not a de Polignac number, because 40046200217 - 2⁶ = 40046200153 is a prime.

It is not a weakly prime, because it can be changed into another prime (40046205217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20023100108 + 20023100109.

It is an arithmetic number, because the mean of its divisors is an integer number (20023100109).

Almost surely, 2^40046200217 is an apocalyptic number.

It is an amenable number.

40046200217 is a deficient number, since it is larger than the sum of its proper divisors (1).

40046200217 is an equidigital number, since it uses as much as digits as its factorization.

40046200217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The spelling of 40046200217 in words is "forty billion, forty-six million, two hundred thousand, two hundred seventeen".