40012226533 has 2 divisors, whose sum is σ = 40012226534. Its totient is φ = 40012226532.

The previous prime is 40012226497. The next prime is 40012226549. The reversal of 40012226533 is 33562221004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36472214529 + 3540012004 = 190977^2 + 59498^2 .

It is a cyclic number.

It is not a de Polignac number, because 40012226533 - 2²¹ = 40010129381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40012226633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006113266 + 20006113267.

It is an arithmetic number, because the mean of its divisors is an integer number (20006113267).

Almost surely, 2^40012226533 is an apocalyptic number.

It is an amenable number.

40012226533 is a deficient number, since it is larger than the sum of its proper divisors (1).

40012226533 is an equidigital number, since it uses as much as digits as its factorization.

40012226533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 40012226533 its reverse (33562221004), we get a palindrome (73574447537).

The spelling of 40012226533 in words is "forty billion, twelve million, two hundred twenty-six thousand, five hundred thirty-three".