41440981553 has 2 divisors, whose sum is σ = 41440981554. Its totient is φ = 41440981552.

The previous prime is 41440981541. The next prime is 41440981559. The reversal of 41440981553 is 35518904414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22904703649 + 18536277904 = 151343^2 + 136148^2 .

It is a cyclic number.

It is not a de Polignac number, because 41440981553 - 2⁴ = 41440981537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41440981559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20720490776 + 20720490777.

It is an arithmetic number, because the mean of its divisors is an integer number (20720490777).

Almost surely, 2^41440981553 is an apocalyptic number.

It is an amenable number.

41440981553 is a deficient number, since it is larger than the sum of its proper divisors (1).

41440981553 is an equidigital number, since it uses as much as digits as its factorization.

41440981553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 41440981553 in words is "forty-one billion, four hundred forty million, nine hundred eighty-one thousand, five hundred fifty-three".