40410024032221 has 4 divisors (see below), whose sum is σ = 40419643180444. Its totient is φ = 40400404884000.

The previous prime is 40410024032087. The next prime is 40410024032239. The reversal of 40410024032221 is 12223042001404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5115897567225 + 35294126464996 = 2261835^2 + 5940886^2 .

It is a cyclic number.

It is not a de Polignac number, because 40410024032221 - 2⁹ = 40410024031709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40410024032921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4809567810 + ... + 4809576211.

It is an arithmetic number, because the mean of its divisors is an integer number (10104910795111).

Almost surely, 2^{40410024032221} is an apocalyptic number.

It is an amenable number.

40410024032221 is a deficient number, since it is larger than the sum of its proper divisors (9619148223).

40410024032221 is an equidigital number, since it uses as much as digits as its factorization.

40410024032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619148222.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40410024032221 its reverse (12223042001404), we get a palindrome (52633066033625).

The spelling of 40410024032221 in words is "forty trillion, four hundred ten billion, twenty-four million, thirty-two thousand, two hundred twenty-one".