2433040221 has 16 divisors (see below), whose sum is σ = 3457944000. Its totient is φ = 1516363008.

The previous prime is 2433040217. The next prime is 2433040223. The reversal of 2433040221 is 1220403342.

2433040221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2433040221 - 2² = 2433040217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2433040223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152491 + ... + 167688.

It is an arithmetic number, because the mean of its divisors is an integer number (216121500).

Almost surely, 2^2433040221 is an apocalyptic number.

It is an amenable number.

2433040221 is a deficient number, since it is larger than the sum of its proper divisors (1024903779).

2433040221 is a wasteful number, since it uses less digits than its factorization.

2433040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320348.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2433040221 is about 49325.8575292919. The cubic root of 2433040221 is about 1344.9818677047.

Adding to 2433040221 its reverse (1220403342), we get a palindrome (3653443563).

The spelling of 2433040221 in words is "two billion, four hundred thirty-three million, forty thousand, two hundred twenty-one".