51443460000 has 360 divisors, whose sum is σ = 184584464064. Its totient is φ = 13584960000.

The previous prime is 51443459993. The next prime is 51443460001. The reversal of 51443460000 is 6434415.

51443460000 is a `hidden beast` number, since 5 + 14 + 43 + 4 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is not an unprimeable number, because it can be changed into a prime (51443460001) 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 59 ways as a sum of consecutive naturals, for example, 19258665 + ... + 19261335.

Almost surely, 2^51443460000 is an apocalyptic number.

51443460000 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 51443460000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92292232032).

51443460000 is an abundant number, since it is smaller than the sum of its proper divisors (133141004064).

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

51443460000 is a wasteful number, since it uses less digits than its factorization.

51443460000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 51443460000 its reverse (6434415), we get a palindrome (51449894415).

The spelling of 51443460000 in words is "fifty-one billion, four hundred forty-three million, four hundred sixty thousand".