50049728280 has 224 divisors, whose sum is σ = 172962790560. Its totient is φ = 13020756480.

The previous prime is 50049728251. The next prime is 50049728291. The reversal of 50049728280 is 8282794005.

50049728280 is a `hidden beast` number, since 5 + 0 + 0 + 497 + 2 + 82 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 55 ways as a sum of consecutive naturals, for example, 1174629 + ... + 1216491.

It is an arithmetic number, because the mean of its divisors is an integer number (772155315).

Almost surely, 2^50049728280 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 50049728280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86481395280).

50049728280 is an abundant number, since it is smaller than the sum of its proper divisors (122913062280).

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

50049728280 is a wasteful number, since it uses less digits than its factorization.

50049728280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41933 (or 41914 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 50049728280 in words is "fifty billion, forty-nine million, seven hundred twenty-eight thousand, two hundred eighty".