40450305073 has 2 divisors, whose sum is σ = 40450305074. Its totient is φ = 40450305072.

The previous prime is 40450305047. The next prime is 40450305101. The reversal of 40450305073 is 37050305404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36021003264 + 4429301809 = 189792^2 + 66553^2 .

It is a cyclic number.

It is not a de Polignac number, because 40450305073 - 2⁵ = 40450305041 is a prime.

It is not a weakly prime, because it can be changed into another prime (40450305043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225152536 + 20225152537.

It is an arithmetic number, because the mean of its divisors is an integer number (20225152537).

Almost surely, 2^40450305073 is an apocalyptic number.

It is an amenable number.

40450305073 is a deficient number, since it is larger than the sum of its proper divisors (1).

40450305073 is an equidigital number, since it uses as much as digits as its factorization.

40450305073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The spelling of 40450305073 in words is "forty billion, four hundred fifty million, three hundred five thousand, seventy-three".