40045332233 has 2 divisors, whose sum is σ = 40045332234. Its totient is φ = 40045332232.

The previous prime is 40045332211. The next prime is 40045332259. The reversal of 40045332233 is 33223354004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36192399049 + 3852933184 = 190243^2 + 62072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40045332233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40045332196 and 40045332205.

It is not a weakly prime, because it can be changed into another prime (40045332203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022666116 + 20022666117.

It is an arithmetic number, because the mean of its divisors is an integer number (20022666117).

Almost surely, 2^40045332233 is an apocalyptic number.

It is an amenable number.

40045332233 is a deficient number, since it is larger than the sum of its proper divisors (1).

40045332233 is an equidigital number, since it uses as much as digits as its factorization.

40045332233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 40045332233 its reverse (33223354004), we get a palindrome (73268686237).

The spelling of 40045332233 in words is "forty billion, forty-five million, three hundred thirty-two thousand, two hundred thirty-three".