51484602141440 has 576 divisors, whose sum is σ = 142214045500800. Its totient is φ = 17689828392960.

The previous prime is 51484602141437. The next prime is 51484602141443. The reversal of 51484602141440 is 4414120648415.

It is an interprime number because it is at equal distance from previous prime (51484602141437) and next prime (51484602141443).

It is a junction number, because it is equal to n+sod(n) for n = 51484602141391 and 51484602141400.

It is not an unprimeable number, because it can be changed into a prime (51484602141443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9567847550 + ... + 9567852930.

It is an arithmetic number, because the mean of its divisors is an integer number (246899384550).

Almost surely, 2^{51484602141440} 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 51484602141440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71107022750400).

51484602141440 is an abundant number, since it is smaller than the sum of its proper divisors (90729443359360).

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

51484602141440 is a wasteful number, since it uses less digits than its factorization.

51484602141440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808 (or 5794 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 44.

Adding to 51484602141440 its reverse (4414120648415), we get a palindrome (55898722789855).

The spelling of 51484602141440 in words is "fifty-one trillion, four hundred eighty-four billion, six hundred two million, one hundred forty-one thousand, four hundred forty".