51434316480 has 224 divisors, whose sum is σ = 170978169600. Its totient is φ = 13082718208.

The previous prime is 51434316449. The next prime is 51434316499. The reversal of 51434316480 is 8461343415.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2299591 + ... + 2321849.

It is an arithmetic number, because the mean of its divisors is an integer number (763295400).

Almost surely, 2^51434316480 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 51434316480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85489084800).

51434316480 is an abundant number, since it is smaller than the sum of its proper divisors (119543853120).

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

51434316480 is a wasteful number, since it uses less digits than its factorization.

51434316480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22391 (or 22381 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 51434316480 its reverse (8461343415), we get a palindrome (59895659895).

The spelling of 51434316480 in words is "fifty-one billion, four hundred thirty-four million, three hundred sixteen thousand, four hundred eighty".