51902241799680 has 800 divisors, whose sum is σ = 197333694049536. Its totient is φ = 12993282441216.

The previous prime is 51902241799651. The next prime is 51902241799687. The reversal of 51902241799680 is 8699714220915.

51902241799680 is a `hidden beast` number, since 5 + 190 + 22 + 417 + 9 + 9 + 6 + 8 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51902241799687) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1399454097 + ... + 1399491183.

Almost surely, 2^{51902241799680} 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 51902241799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98666847024768).

51902241799680 is an abundant number, since it is smaller than the sum of its proper divisors (145431452249856).

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

51902241799680 is a wasteful number, since it uses less digits than its factorization.

51902241799680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37536 (or 37511 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 51902241799680 in words is "fifty-one trillion, nine hundred two billion, two hundred forty-one million, seven hundred ninety-nine thousand, six hundred eighty".