49918128 has 40 divisors (see below), whose sum is σ = 138876528. Its totient is φ = 15359232.

The previous prime is 49918123. The next prime is 49918133. The reversal of 49918128 is 82181994.

49918128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49918123) and next prime (49918133).

It is a self number, because there is not a number n which added to its sum of digits gives 49918128.

It is not an unprimeable number, because it can be changed into a prime (49918123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39375 + ... + 40622.

Almost surely, 2^49918128 is an apocalyptic number.

49918128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49918128 is an abundant number, since it is smaller than the sum of its proper divisors (88958400).

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

49918128 is a wasteful number, since it uses less digits than its factorization.

49918128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80021 (or 80015 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The square root of 49918128 is about 7065.2762154073. The cubic root of 49918128 is about 368.2019606611.

The spelling of 49918128 in words is "forty-nine million, nine hundred eighteen thousand, one hundred twenty-eight".