50280317728 has 96 divisors (see below), whose sum is σ = 105489216000. Its totient is φ = 23523379200.

The previous prime is 50280317713. The next prime is 50280317807. The reversal of 50280317728 is 82771308205.

It is a super-2 number, since 2×50280317728² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34940433 + ... + 34941871.

It is an arithmetic number, because the mean of its divisors is an integer number (1098846000).

Almost surely, 2^50280317728 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 50280317728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52744608000).

50280317728 is an abundant number, since it is smaller than the sum of its proper divisors (55208898272).

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

50280317728 is a wasteful number, since it uses less digits than its factorization.

50280317728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 2130 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 50280317728 in words is "fifty billion, two hundred eighty million, three hundred seventeen thousand, seven hundred twenty-eight".