51333424326304 has 96 divisors (see below), whose sum is σ = 105696588856320. Its totient is φ = 24519193101312.

The previous prime is 51333424326287. The next prime is 51333424326319. The reversal of 51333424326304 is 40362342433315.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22007937 + ... + 24228415.

It is an arithmetic number, because the mean of its divisors is an integer number (1101006133920).

Almost surely, 2^{51333424326304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51333424326304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52848294428160).

51333424326304 is an abundant number, since it is smaller than the sum of its proper divisors (54363164530016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51333424326304 is a wasteful number, since it uses less digits than its factorization.

51333424326304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220902 (or 2220894 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 43.

Adding to 51333424326304 its reverse (40362342433315), we get a palindrome (91695766759619).

The spelling of 51333424326304 in words is "fifty-one trillion, three hundred thirty-three billion, four hundred twenty-four million, three hundred twenty-six thousand, three hundred four".