4044128832 has 42 divisors (see below), whose sum is σ = 11591766758. Its totient is φ = 1348042752.

The previous prime is 4044128807. The next prime is 4044128833. The reversal of 4044128832 is 2388214404.

It can be written as a sum of positive squares in only one way, i.e., 3890765376 + 153363456 = 62376^2 + 12384^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4044128833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3509953 + ... + 3511104.

Almost surely, 2^4044128832 is an apocalyptic number.

It is an amenable number.

4044128832 is an abundant number, since it is smaller than the sum of its proper divisors (7547637926).

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

4044128832 is a wasteful number, since it uses less digits than its factorization.

4044128832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021075 (or 7021062 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 4044128832 is about 63593.4653246700. The cubic root of 4044128832 is about 1593.2172285551.

The spelling of 4044128832 in words is "four billion, forty-four million, one hundred twenty-eight thousand, eight hundred thirty-two".