51988741280 has 288 divisors, whose sum is σ = 147283112592. Its totient is φ = 17280614400.

The previous prime is 51988741253. The next prime is 51988741297. The reversal of 51988741280 is 8214788915.

It can be written as a sum of positive squares in 8 ways, for example, as 18342910096 + 33645831184 = 135436^2 + 183428^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63323270 + ... + 63324090.

Almost surely, 2^51988741280 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 51988741280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73641556296).

51988741280 is an abundant number, since it is smaller than the sum of its proper divisors (95294371312).

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

51988741280 is a wasteful number, since it uses less digits than its factorization.

51988741280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 53.

It can be divided in two parts, 5198 and 8741280, that added together give a palindrome (8746478).

The spelling of 51988741280 in words is "fifty-one billion, nine hundred eighty-eight million, seven hundred forty-one thousand, two hundred eighty".