40304211633221 has 8 divisors (see below), whose sum is σ = 40453735051680. Its totient is φ = 40154717142288.

The previous prime is 40304211633209. The next prime is 40304211633233. The reversal of 40304211633221 is 12233611240304.

It is an interprime number because it is at equal distance from previous prime (40304211633209) and next prime (40304211633233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40304211633221 - 2³⁴ = 40287031764037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304211633241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4438151 + ... + 10015268.

It is an arithmetic number, because the mean of its divisors is an integer number (5056716881460).

Almost surely, 2^{40304211633221} is an apocalyptic number.

It is an amenable number.

40304211633221 is a deficient number, since it is larger than the sum of its proper divisors (149523418459).

40304211633221 is a wasteful number, since it uses less digits than its factorization.

40304211633221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463763.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 40304211633221 its reverse (12233611240304), we get a palindrome (52537822873525).

The spelling of 40304211633221 in words is "forty trillion, three hundred four billion, two hundred eleven million, six hundred thirty-three thousand, two hundred twenty-one".