49306728516 has 48 divisors (see below), whose sum is σ = 116564797440. Its totient is φ = 16219251360.

The previous prime is 49306728491. The next prime is 49306728589. The reversal of 49306728516 is 61582760394.

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 15 ways as a sum of consecutive naturals, for example, 2007985 + ... + 2032391.

It is an arithmetic number, because the mean of its divisors is an integer number (2428433280).

It is a 2-persistent number, because it is pandigital, and so is 2⋅49306728516 = 98613457032, but 3⋅49306728516 = 147920185548 is not.

Almost surely, 2^49306728516 is an apocalyptic number.

49306728516 is the 140438-th centered pentagonal number.

It is an amenable number.

49306728516 is an abundant number, since it is smaller than the sum of its proper divisors (67258068924).

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

49306728516 is a wasteful number, since it uses less digits than its factorization.

49306728516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26624 (or 26622 counting only the distinct ones).

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

The spelling of 49306728516 in words is "forty-nine billion, three hundred six million, seven hundred twenty-eight thousand, five hundred sixteen".