216441024326 has 4 divisors (see below), whose sum is σ = 324661536492. Its totient is φ = 108220512162.

The previous prime is 216441024323. The next prime is 216441024329. The reversal of 216441024326 is 623420144612.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (216441024323) and next prime (216441024329).

It is a super-2 number, since 2×216441024326² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216441024323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54110256080 + ... + 54110256083.

It is an arithmetic number, because the mean of its divisors is an integer number (81165384123).

Almost surely, 2^216441024326 is an apocalyptic number.

216441024326 is a deficient number, since it is larger than the sum of its proper divisors (108220512166).

216441024326 is a wasteful number, since it uses less digits than its factorization.

216441024326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108220512165.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 216441024326 its reverse (623420144612), we get a palindrome (839861168938).

The spelling of 216441024326 in words is "two hundred sixteen billion, four hundred forty-one million, twenty-four thousand, three hundred twenty-six".