40533366241 has 3 divisors (see below), whose sum is σ = 40533567571. Its totient is φ = 40533164912.

The previous prime is 40533366217. The next prime is 40533366257. The reversal of 40533366241 is 14266333504.

The square root of 40533366241 is 201329.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 40031606241 + 501760000 = 200079^2 + 22400^2 .

It is not a de Polignac number, because 40533366241 - 2⁹ = 40533365729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40533366241.

It is not an unprimeable number, because it can be changed into a prime (40533366281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 100665 + ... + 301993.

Almost surely, 2^40533366241 is an apocalyptic number.

40533366241 is the 201329-th square number.

40533366241 is the 100665-th centered octagonal number.

It is an amenable number.

40533366241 is a deficient number, since it is larger than the sum of its proper divisors (201330).

40533366241 is an frugal number, since it uses more digits than its factorization.

40533366241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402658 (or 201329 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 40533366241 its reverse (14266333504), we get a palindrome (54799699745).

The spelling of 40533366241 in words is "forty billion, five hundred thirty-three million, three hundred sixty-six thousand, two hundred forty-one".