235443040221 has 8 divisors (see below), whose sum is σ = 330446372320. Its totient is φ = 148700867472.

The previous prime is 235443040187. The next prime is 235443040223. The reversal of 235443040221 is 122040344532.

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

It is not a de Polignac number, because 235443040221 - 2⁹ = 235443039709 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 (235443040223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065289770 + ... + 2065289883.

It is an arithmetic number, because the mean of its divisors is an integer number (41305796540).

Almost surely, 2^235443040221 is an apocalyptic number.

It is an amenable number.

235443040221 is a deficient number, since it is larger than the sum of its proper divisors (95003332099).

235443040221 is a wasteful number, since it uses less digits than its factorization.

235443040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130579675.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 235443040221 its reverse (122040344532), we get a palindrome (357483384753).

The spelling of 235443040221 in words is "two hundred thirty-five billion, four hundred forty-three million, forty thousand, two hundred twenty-one".