40351240333 has 2 divisors, whose sum is σ = 40351240334. Its totient is φ = 40351240332.

The previous prime is 40351240309. The next prime is 40351240351. The reversal of 40351240333 is 33304215304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39586275369 + 764964964 = 198963^2 + 27658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40351240333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40351250333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20175620166 + 20175620167.

It is an arithmetic number, because the mean of its divisors is an integer number (20175620167).

Almost surely, 2^40351240333 is an apocalyptic number.

It is an amenable number.

40351240333 is a deficient number, since it is larger than the sum of its proper divisors (1).

40351240333 is an equidigital number, since it uses as much as digits as its factorization.

40351240333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 40351240333 its reverse (33304215304), we get a palindrome (73655455637).

The spelling of 40351240333 in words is "forty billion, three hundred fifty-one million, two hundred forty thousand, three hundred thirty-three".