49012128 has 168 divisors, whose sum is σ = 158651136. Its totient is φ = 14774400.

The previous prime is 49012109. The next prime is 49012129. The reversal of 49012128 is 82121094.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (49012129) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 256513 + ... + 256703.

It is an arithmetic number, because the mean of its divisors is an integer number (944352).

Almost surely, 2^49012128 is an apocalyptic number.

49012128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49012128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79325568).

49012128 is an abundant number, since it is smaller than the sum of its proper divisors (109639008).

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

49012128 is a wasteful number, since it uses less digits than its factorization.

49012128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 49012128 is about 7000.8662321173. The cubic root of 49012128 is about 365.9607590286.

The spelling of 49012128 in words is "forty-nine million, twelve thousand, one hundred twenty-eight".