51427624248 has 576 divisors, whose sum is σ = 196772436000. Its totient is φ = 12326307840.

The previous prime is 51427624181. The next prime is 51427624271. The reversal of 51427624248 is 84242672415.

51427624248 is a `hidden beast` number, since 5 + 14 + 2 + 7 + 624 + 2 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 16647088 + ... + 16650176.

Almost surely, 2^51427624248 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 51427624248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98386218000).

51427624248 is an abundant number, since it is smaller than the sum of its proper divisors (145344811752).

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

51427624248 is a wasteful number, since it uses less digits than its factorization.

51427624248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153 (or 3125 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The spelling of 51427624248 in words is "fifty-one billion, four hundred twenty-seven million, six hundred twenty-four thousand, two hundred forty-eight".