40430460073 has 2 divisors, whose sum is σ = 40430460074. Its totient is φ = 40430460072.

The previous prime is 40430460067. The next prime is 40430460089. The reversal of 40430460073 is 37006403404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34755399184 + 5675060889 = 186428^2 + 75333^2 .

It is a cyclic number.

It is not a de Polignac number, because 40430460073 - 2²⁵ = 40396905641 is a prime.

It is not a weakly prime, because it can be changed into another prime (40430460043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20215230036 + 20215230037.

It is an arithmetic number, because the mean of its divisors is an integer number (20215230037).

Almost surely, 2^40430460073 is an apocalyptic number.

It is an amenable number.

40430460073 is a deficient number, since it is larger than the sum of its proper divisors (1).

40430460073 is an equidigital number, since it uses as much as digits as its factorization.

40430460073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

Adding to 40430460073 its reverse (37006403404), we get a palindrome (77436863477).

The spelling of 40430460073 in words is "forty billion, four hundred thirty million, four hundred sixty thousand, seventy-three".