50016779424 has 144 divisors (see below), whose sum is σ = 148858950240. Its totient is φ = 16519023360.

The previous prime is 50016779419. The next prime is 50016779447. The reversal of 50016779424 is 42497761005.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 50016779424.

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 23 ways as a sum of consecutive naturals, for example, 818079 + ... + 877089.

It is an arithmetic number, because the mean of its divisors is an integer number (1033742710).

Almost surely, 2^50016779424 is an apocalyptic number.

50016779424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50016779424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74429475120).

50016779424 is an abundant number, since it is smaller than the sum of its proper divisors (98842170816).

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

50016779424 is a wasteful number, since it uses less digits than its factorization.

50016779424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59145 (or 59125 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 50016779424 in words is "fifty billion, sixteen million, seven hundred seventy-nine thousand, four hundred twenty-four".