50647906140840 has 768 divisors, whose sum is σ = 178622496000000. Its totient is φ = 12400335028224.

The previous prime is 50647906140779. The next prime is 50647906140877. The reversal of 50647906140840 is 4804160974605.

50647906140840 is a `hidden beast` number, since 50 + 6 + 4 + 7 + 90 + 61 + 408 + 40 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14335663714 + ... + 14335667246.

It is an arithmetic number, because the mean of its divisors is an integer number (232581375000).

Almost surely, 2^{50647906140840} 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 50647906140840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89311248000000).

50647906140840 is an abundant number, since it is smaller than the sum of its proper divisors (127974589859160).

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

50647906140840 is a wasteful number, since it uses less digits than its factorization.

50647906140840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994 (or 3987 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 50647906140840 in words is "fifty trillion, six hundred forty-seven billion, nine hundred six million, one hundred forty thousand, eight hundred forty".