50129128448 has 44 divisors (see below), whose sum is σ = 114524933712. Its totient is φ = 21483909120.

The previous prime is 50129128421. The next prime is 50129128453. The reversal of 50129128448 is 84482192105.

50129128448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×50129128448³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50129128399 and 50129128408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3489563 + ... + 3503898.

Almost surely, 2^50129128448 is an apocalyptic number.

It is an amenable number.

50129128448 is an abundant number, since it is smaller than the sum of its proper divisors (64395805264).

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

50129128448 is an equidigital number, since it uses as much as digits as its factorization.

50129128448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993488 (or 6993470 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 50129128448 in words is "fifty billion, one hundred twenty-nine million, one hundred twenty-eight thousand, four hundred forty-eight".