40345240333 has 2 divisors, whose sum is σ = 40345240334. Its totient is φ = 40345240332.

The previous prime is 40345240303. The next prime is 40345240367. The reversal of 40345240333 is 33304254304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28298641284 + 12046599049 = 168222^2 + 109757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40345240333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40345240295 and 40345240304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40345240303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20172620166 + 20172620167.

It is an arithmetic number, because the mean of its divisors is an integer number (20172620167).

Almost surely, 2^40345240333 is an apocalyptic number.

It is an amenable number.

40345240333 is a deficient number, since it is larger than the sum of its proper divisors (1).

40345240333 is an equidigital number, since it uses as much as digits as its factorization.

40345240333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 40345240333 its reverse (33304254304), we get a palindrome (73649494637).

The spelling of 40345240333 in words is "forty billion, three hundred forty-five million, two hundred forty thousand, three hundred thirty-three".