40024653217 has 2 divisors, whose sum is σ = 40024653218. Its totient is φ = 40024653216.

The previous prime is 40024653211. The next prime is 40024653323. The reversal of 40024653217 is 71235642004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39677054481 + 347598736 = 199191^2 + 18644^2 .

It is a cyclic number.

It is not a de Polignac number, because 40024653217 - 2¹⁹ = 40024128929 is a prime.

It is a super-2 number, since 2×40024653217² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40024653211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012326608 + 20012326609.

It is an arithmetic number, because the mean of its divisors is an integer number (20012326609).

Almost surely, 2^40024653217 is an apocalyptic number.

It is an amenable number.

40024653217 is a deficient number, since it is larger than the sum of its proper divisors (1).

40024653217 is an equidigital number, since it uses as much as digits as its factorization.

40024653217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 40024653217 in words is "forty billion, twenty-four million, six hundred fifty-three thousand, two hundred seventeen".