50396641728 has 224 divisors, whose sum is σ = 144753177600. Its totient is φ = 15426453504.

The previous prime is 50396641727. The next prime is 50396641739. The reversal of 50396641728 is 82714669305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50396641721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24715333 + ... + 24717371.

It is a 2-persistent number, because it is pandigital, and so is 2⋅50396641728 = 100793283456, but 3⋅50396641728 = 151189925184 is not.

Almost surely, 2^50396641728 is an apocalyptic number.

50396641728 is a gapful number since it is divisible by the number (58) 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 50396641728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72376588800).

50396641728 is an abundant number, since it is smaller than the sum of its proper divisors (94356535872).

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

50396641728 is a wasteful number, since it uses less digits than its factorization.

With its successor (50396641729) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2289).

50396641728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 50396641728 in words is "fifty billion, three hundred ninety-six million, six hundred forty-one thousand, seven hundred twenty-eight".