51324149760 has 672 divisors, whose sum is σ = 188755751520. Its totient is φ = 11834228736.

The previous prime is 51324149759. The next prime is 51324149813. The reversal of 51324149760 is 6794142315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 576675796 + ... + 576675884.

It is an arithmetic number, because the mean of its divisors is an integer number (280886535).

Almost surely, 2^51324149760 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 51324149760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94377875760).

51324149760 is an abundant number, since it is smaller than the sum of its proper divisors (137431601760).

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

51324149760 is a wasteful number, since it uses less digits than its factorization.

51324149760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 51324149760 in words is "fifty-one billion, three hundred twenty-four million, one hundred forty-nine thousand, seven hundred sixty".