49776128 has 40 divisors (see below), whose sum is σ = 100172160. Its totient is φ = 24709120.

The previous prime is 49776113. The next prime is 49776157. The reversal of 49776128 is 82167794.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97538 + ... + 98046.

It is an arithmetic number, because the mean of its divisors is an integer number (2504304).

Almost surely, 2^49776128 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 49776128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50086080).

49776128 is an abundant number, since it is smaller than the sum of its proper divisors (50396032).

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

49776128 is an equidigital number, since it uses as much as digits as its factorization.

49776128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 702 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 49776128 is about 7055.2199115265. The cubic root of 49776128 is about 367.8524928668.

The spelling of 49776128 in words is "forty-nine million, seven hundred seventy-six thousand, one hundred twenty-eight".