50690849280 has 640 divisors, whose sum is σ = 176303001600. Its totient is φ = 12398690304.

The previous prime is 50690849249. The next prime is 50690849299. The reversal of 50690849280 is 8294809605.

It is a tau number, because it is divible by the number of its divisors (640).

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 63 ways as a sum of consecutive naturals, for example, 641656281 + ... + 641656359.

It is an arithmetic number, because the mean of its divisors is an integer number (275473440).

Almost surely, 2^50690849280 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 50690849280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88151500800).

50690849280 is an abundant number, since it is smaller than the sum of its proper divisors (125612152320).

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

50690849280 is a wasteful number, since it uses less digits than its factorization.

50690849280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 50690849280 in words is "fifty billion, six hundred ninety million, eight hundred forty-nine thousand, two hundred eighty".