4240231334221 has 16 divisors (see below), whose sum is σ = 4316446517760. Its totient is φ = 4164795215280.

The previous prime is 4240231334219. The next prime is 4240231334257. The reversal of 4240231334221 is 1224331320424.

It is a cyclic number.

It is not a de Polignac number, because 4240231334221 - 2¹ = 4240231334219 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 (4240231334281) 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, 7986210 + ... + 8500588.

It is an arithmetic number, because the mean of its divisors is an integer number (269777907360).

Almost surely, 2^{4240231334221} is an apocalyptic number.

It is an amenable number.

4240231334221 is a deficient number, since it is larger than the sum of its proper divisors (76215183539).

4240231334221 is a wasteful number, since it uses less digits than its factorization.

4240231334221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515136.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4240231334221 its reverse (1224331320424), we get a palindrome (5464562654645).

The spelling of 4240231334221 in words is "four trillion, two hundred forty billion, two hundred thirty-one million, three hundred thirty-four thousand, two hundred twenty-one".