49980128 has 48 divisors (see below), whose sum is σ = 108428544. Its totient is φ = 22488960.

The previous prime is 49980121. The next prime is 49980143. The reversal of 49980128 is 82108994.

49980128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49980121) 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, 37001 + ... + 38327.

It is an arithmetic number, because the mean of its divisors is an integer number (2258928).

Almost surely, 2^49980128 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 49980128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54214272).

49980128 is an abundant number, since it is smaller than the sum of its proper divisors (58448416).

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

49980128 is a wasteful number, since it uses less digits than its factorization.

49980128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 49980128 is about 7069.6625096252. The cubic root of 49980128 is about 368.3543373475.

The spelling of 49980128 in words is "forty-nine million, nine hundred eighty thousand, one hundred twenty-eight".