51782734080 has 1728 divisors, whose sum is σ = 242709465600. Its totient is φ = 10218700800.

The previous prime is 51782734049. The next prime is 51782734099. The reversal of 51782734080 is 8043728715.

51782734080 is a `hidden beast` number, since 5 + 178 + 2 + 73 + 408 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 848897250 + ... + 848897310.

Almost surely, 2^51782734080 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 51782734080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121354732800).

51782734080 is an abundant number, since it is smaller than the sum of its proper divisors (190926731520).

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

51782734080 is a wasteful number, since it uses less digits than its factorization.

51782734080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 51782734080 in words is "fifty-one billion, seven hundred eighty-two million, seven hundred thirty-four thousand, eighty".