240534425403221 has 8 divisors (see below), whose sum is σ = 240907662255744. Its totient is φ = 240161193082960.

The previous prime is 240534425403133. The next prime is 240534425403227. The reversal of 240534425403221 is 122304524435042.

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

It is a cyclic number.

It is not a de Polignac number, because 240534425403221 - 2¹⁴ = 240534425386837 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 (240534425403227) 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, 114188951 + ... + 116276331.

It is an arithmetic number, because the mean of its divisors is an integer number (30113457781968).

Almost surely, 2^{240534425403221} is an apocalyptic number.

It is an amenable number.

240534425403221 is a deficient number, since it is larger than the sum of its proper divisors (373236852523).

240534425403221 is a wasteful number, since it uses less digits than its factorization.

240534425403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266131.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 240534425403221 its reverse (122304524435042), we get a palindrome (362838949838263).

The spelling of 240534425403221 in words is "two hundred forty trillion, five hundred thirty-four billion, four hundred twenty-five million, four hundred three thousand, two hundred twenty-one".