40033333073 has 2 divisors, whose sum is σ = 40033333074. Its totient is φ = 40033333072.

The previous prime is 40033333063. The next prime is 40033333097. The reversal of 40033333073 is 37033333004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24873074944 + 15160258129 = 157712^2 + 123127^2 .

It is a cyclic number.

It is not a de Polignac number, because 40033333073 - 2¹² = 40033328977 is a prime.

It is not a weakly prime, because it can be changed into another prime (40033333063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20016666536 + 20016666537.

It is an arithmetic number, because the mean of its divisors is an integer number (20016666537).

Almost surely, 2^40033333073 is an apocalyptic number.

It is an amenable number.

40033333073 is a deficient number, since it is larger than the sum of its proper divisors (1).

40033333073 is an equidigital number, since it uses as much as digits as its factorization.

40033333073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 29.

Adding to 40033333073 its reverse (37033333004), we get a palindrome (77066666077).

The spelling of 40033333073 in words is "forty billion, thirty-three million, three hundred thirty-three thousand, seventy-three".