40232434217 has 2 divisors, whose sum is σ = 40232434218. Its totient is φ = 40232434216.

The previous prime is 40232434199. The next prime is 40232434259. The reversal of 40232434217 is 71243423204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39107435536 + 1124998681 = 197756^2 + 33541^2 .

It is a cyclic number.

It is not a de Polignac number, because 40232434217 - 2¹⁰ = 40232433193 is a prime.

It is not a weakly prime, because it can be changed into another prime (40232404217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116217108 + 20116217109.

It is an arithmetic number, because the mean of its divisors is an integer number (20116217109).

Almost surely, 2^40232434217 is an apocalyptic number.

It is an amenable number.

40232434217 is a deficient number, since it is larger than the sum of its proper divisors (1).

40232434217 is an equidigital number, since it uses as much as digits as its factorization.

40232434217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

The spelling of 40232434217 in words is "forty billion, two hundred thirty-two million, four hundred thirty-four thousand, two hundred seventeen".