51304484160 has 672 divisors, whose sum is σ = 193222229760. Its totient is φ = 12804894720.

The previous prime is 51304484149. The next prime is 51304484167. The reversal of 51304484160 is 6148440315.

51304484160 is a `hidden beast` number, since 5 + 13 + 0 + 4 + 484 + 160 = 666.

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 (51304484167) 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 95 ways as a sum of consecutive naturals, for example, 307212397 + ... + 307212563.

It is an arithmetic number, because the mean of its divisors is an integer number (287533080).

Almost surely, 2^51304484160 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 51304484160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96611114880).

51304484160 is an abundant number, since it is smaller than the sum of its proper divisors (141917745600).

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

51304484160 is a wasteful number, since it uses less digits than its factorization.

51304484160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 51304484160 in words is "fifty-one billion, three hundred four million, four hundred eighty-four thousand, one hundred sixty".