51847860810240 has 2400 divisors, whose sum is σ = 212414004633600. Its totient is φ = 12065366016000.

The previous prime is 51847860810233. The next prime is 51847860810341. The reversal of 51847860810240 is 4201806874815.

51847860810240 is a `hidden beast` number, since 5 + 1 + 8 + 4 + 7 + 8 + 608 + 1 + 0 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 148561205586 + ... + 148561205934.

It is an arithmetic number, because the mean of its divisors is an integer number (88505835264).

Almost surely, 2^{51847860810240} 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 51847860810240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106207002316800).

51847860810240 is an abundant number, since it is smaller than the sum of its proper divisors (160566143823360).

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

51847860810240 is a wasteful number, since it uses less digits than its factorization.

51847860810240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 51847860810240 in words is "fifty-one trillion, eight hundred forty-seven billion, eight hundred sixty million, eight hundred ten thousand, two hundred forty".