51344928000 has 1008 divisors, whose sum is σ = 200746570752. Its totient is φ = 13063680000.

The previous prime is 51344927987. The next prime is 51344928007. The reversal of 51344928000 is 82944315.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344928007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 723167965 + ... + 723168035.

It is an arithmetic number, because the mean of its divisors is an integer number (199153344).

Almost surely, 2^51344928000 is an apocalyptic number.

51344928000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51344928000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100373285376).

51344928000 is an abundant number, since it is smaller than the sum of its proper divisors (149401642752).

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

51344928000 is an frugal number, since it uses more digits than its factorization.

51344928000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 51344928000 in words is "fifty-one billion, three hundred forty-four million, nine hundred twenty-eight thousand".