40745667533 has 2 divisors, whose sum is σ = 40745667534. Its totient is φ = 40745667532.

The previous prime is 40745667463. The next prime is 40745667601. The reversal of 40745667533 is 33576654704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34386880969 + 6358786564 = 185437^2 + 79742^2 .

It is a cyclic number.

It is not a de Polignac number, because 40745667533 - 2¹² = 40745663437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40745607533) 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, 20372833766 + 20372833767.

It is an arithmetic number, because the mean of its divisors is an integer number (20372833767).

Almost surely, 2^40745667533 is an apocalyptic number.

It is an amenable number.

40745667533 is a deficient number, since it is larger than the sum of its proper divisors (1).

40745667533 is an equidigital number, since it uses as much as digits as its factorization.

40745667533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 50.

The spelling of 40745667533 in words is "forty billion, seven hundred forty-five million, six hundred sixty-seven thousand, five hundred thirty-three".