44432128 has 72 divisors (see below), whose sum is σ = 97294400. Its totient is φ = 20247552.

The previous prime is 44432119. The next prime is 44432131. The reversal of 44432128 is 82123444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44432096 and 44432105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562393 + ... + 562471.

Almost surely, 2^44432128 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 44432128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48647200).

44432128 is an abundant number, since it is smaller than the sum of its proper divisors (52862272).

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

44432128 is an frugal number, since it uses more digits than its factorization.

44432128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 94 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 44432128 is about 6665.7428693282. The cubic root of 44432128 is about 354.1867995998.

The spelling of 44432128 in words is "forty-four million, four hundred thirty-two thousand, one hundred twenty-eight".