240232320310221 has 14 divisors (see below), whose sum is σ = 360183712071150. Its totient is φ = 160154880206328.

The previous prime is 240232320310219. The next prime is 240232320310247. The reversal of 240232320310221 is 122013023232042.

240232320310221 is a `hidden beast` number, since 2 + 4 + 0 + 2 + 3 + 2 + 320 + 310 + 2 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 229528135834596 + 10704184475625 = 15150186^2 + 3271725^2 .

It is not a de Polignac number, because 240232320310221 - 2¹ = 240232320310219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240232324310221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 164768394546 + ... + 164768396003.

Almost surely, 2^{240232320310221} is an apocalyptic number.

It is an amenable number.

240232320310221 is a deficient number, since it is larger than the sum of its proper divisors (119951391760929).

240232320310221 is an frugal number, since it uses more digits than its factorization.

240232320310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329536790567 (or 329536790552 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 240232320310221 its reverse (122013023232042), we get a palindrome (362245343542263).

The spelling of 240232320310221 in words is "two hundred forty trillion, two hundred thirty-two billion, three hundred twenty million, three hundred ten thousand, two hundred twenty-one".