40451442044033 has 2 divisors, whose sum is σ = 40451442044034. Its totient is φ = 40451442044032.

The previous prime is 40451442044009. The next prime is 40451442044077. The reversal of 40451442044033 is 33044024415404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39191193322369 + 1260248721664 = 6260287^2 + 1122608^2 .

It is a cyclic number.

It is not a de Polignac number, because 40451442044033 - 2⁸ = 40451442043777 is a prime.

It is a super-2 number, since 2×40451442044033² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40451442074033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225721022016 + 20225721022017.

It is an arithmetic number, because the mean of its divisors is an integer number (20225721022017).

Almost surely, 2^{40451442044033} is an apocalyptic number.

It is an amenable number.

40451442044033 is a deficient number, since it is larger than the sum of its proper divisors (1).

40451442044033 is an equidigital number, since it uses as much as digits as its factorization.

40451442044033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 40451442044033 its reverse (33044024415404), we get a palindrome (73495466459437).

The spelling of 40451442044033 in words is "forty trillion, four hundred fifty-one billion, four hundred forty-two million, forty-four thousand, thirty-three".