4432149128 has 32 divisors (see below), whose sum is σ = 9459927360. Its totient is φ = 1927020480.

The previous prime is 4432149097. The next prime is 4432149157. The reversal of 4432149128 is 8219412344.

It is a junction number, because it is equal to n+sod(n) for n = 4432149091 and 4432149100.

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, 1092875 + ... + 1096922.

It is an arithmetic number, because the mean of its divisors is an integer number (295622730).

Almost surely, 2^4432149128 is an apocalyptic number.

It is an amenable number.

4432149128 is an abundant number, since it is smaller than the sum of its proper divisors (5027778232).

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

4432149128 is a wasteful number, since it uses less digits than its factorization.

4432149128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189837 (or 2189833 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 4432149128 is about 66574.3879280914. The cubic root of 4432149128 is about 1642.6238397313.

The spelling of 4432149128 in words is "four billion, four hundred thirty-two million, one hundred forty-nine thousand, one hundred twenty-eight".