41455943399641 has 9 divisors (see below), whose sum is σ = 42606901061949. Its totient is φ = 40335280706304.

The previous prime is 41455943399621. The next prime is 41455943399659. The reversal of 41455943399641 is 14699334955414.

The square root of 41455943399641 is 6438629.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 32647750420041 + 8808192979600 = 5713821^2 + 2967860^2 .

It is not a de Polignac number, because 41455943399641 - 2³⁷ = 41318504446169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41455943399621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 238142265 + ... + 238316281.

Almost surely, 2^{41455943399641} is an apocalyptic number.

41455943399641 is the 6438629-th square number.

41455943399641 is the 3219315-th centered octagonal number.

It is an amenable number.

41455943399641 is a deficient number, since it is larger than the sum of its proper divisors (1150957662308).

41455943399641 is an frugal number, since it uses more digits than its factorization.

41455943399641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348108 (or 174054 counting only the distinct ones).

The product of its digits is 251942400, while the sum is 67.

The spelling of 41455943399641 in words is "forty-one trillion, four hundred fifty-five billion, nine hundred forty-three million, three hundred ninety-nine thousand, six hundred forty-one".