51324480000 has 600 divisors, whose sum is σ = 188453000736. Its totient is φ = 13440000000.

The previous prime is 51324479993. The next prime is 51324480023. The reversal of 51324480000 is 8442315.

It is a tau number, because it is divible by the number of its divisors (600).

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 204479875 + ... + 204480125.

Almost surely, 2^51324480000 is an apocalyptic number.

51324480000 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 51324480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94226500368).

51324480000 is an abundant number, since it is smaller than the sum of its proper divisors (137128520736).

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

51324480000 is an equidigital number, since it uses as much as digits as its factorization.

51324480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 51324480000 in words is "fifty-one billion, three hundred twenty-four million, four hundred eighty thousand".