240553210221213 has 4 divisors (see below), whose sum is σ = 320737613628288. Its totient is φ = 160368806814140.

The previous prime is 240553210221157. The next prime is 240553210221227. The reversal of 240553210221213 is 312122012355042.

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.

It is a cyclic number.

It is not a de Polignac number, because 240553210221213 - 2⁸ = 240553210220957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240553210261213) 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, 40092201703533 + ... + 40092201703538.

It is an arithmetic number, because the mean of its divisors is an integer number (80184403407072).

Almost surely, 2^{240553210221213} is an apocalyptic number.

It is an amenable number.

240553210221213 is a deficient number, since it is larger than the sum of its proper divisors (80184403407075).

240553210221213 is an equidigital number, since it uses as much as digits as its factorization.

240553210221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80184403407074.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 240553210221213 its reverse (312122012355042), we get a palindrome (552675222576255).

The spelling of 240553210221213 in words is "two hundred forty trillion, five hundred fifty-three billion, two hundred ten million, two hundred twenty-one thousand, two hundred thirteen".