51233223140224 has 32 divisors (see below), whose sum is σ = 102127561885440. Its totient is φ = 25601207608320.

The previous prime is 51233223140221. The next prime is 51233223140249. The reversal of 51233223140224 is 42204132233215.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 51233223140224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51233223140221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120129757 + ... + 120555484.

It is an arithmetic number, because the mean of its divisors is an integer number (3191486308920).

Almost surely, 2^{51233223140224} is an apocalyptic number.

It is an amenable number.

51233223140224 is a deficient number, since it is larger than the sum of its proper divisors (50894338745216).

51233223140224 is a wasteful number, since it uses less digits than its factorization.

51233223140224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240686918 (or 240686906 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 51233223140224 its reverse (42204132233215), we get a palindrome (93437355373439).

The spelling of 51233223140224 in words is "fifty-one trillion, two hundred thirty-three billion, two hundred twenty-three million, one hundred forty thousand, two hundred twenty-four".