240032205221 has 4 divisors (see below), whose sum is σ = 252665479200. Its totient is φ = 227398931244.

The previous prime is 240032205173. The next prime is 240032205223. The reversal of 240032205221 is 122502230042.

240032205221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122502230042 = 2 ⋅61251115021.

It is a cyclic number.

It is not a de Polignac number, because 240032205221 - 2³⁰ = 238958463397 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 (240032205223) 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 3 ways as a sum of consecutive naturals, for example, 6316636961 + ... + 6316636998.

It is an arithmetic number, because the mean of its divisors is an integer number (63166369800).

Almost surely, 2^240032205221 is an apocalyptic number.

It is an amenable number.

240032205221 is a deficient number, since it is larger than the sum of its proper divisors (12633273979).

240032205221 is a wasteful number, since it uses less digits than its factorization.

240032205221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12633273978.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 240032205221 its reverse (122502230042), we get a palindrome (362534435263).

The spelling of 240032205221 in words is "two hundred forty billion, thirty-two million, two hundred five thousand, two hundred twenty-one".