44770128 has 60 divisors (see below), whose sum is σ = 125259840. Its totient is φ = 13772928.

The previous prime is 44770123. The next prime is 44770147. The reversal of 44770128 is 82107744.

It is a super-2 number, since 2×44770128² = 4008728722272768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44770123) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5353 + ... + 10871.

It is an arithmetic number, because the mean of its divisors is an integer number (2087664).

Almost surely, 2^44770128 is an apocalyptic number.

44770128 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 44770128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62629920).

44770128 is an abundant number, since it is smaller than the sum of its proper divisors (80489712).

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

44770128 is a wasteful number, since it uses less digits than its factorization.

44770128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556 (or 5537 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 44770128 is about 6691.0483483532. The cubic root of 44770128 is about 355.0826442516.

The spelling of 44770128 in words is "forty-four million, seven hundred seventy thousand, one hundred twenty-eight".