4409994132 has 72 divisors (see below), whose sum is σ = 11595519936. Its totient is φ = 1465527168.

The previous prime is 4409994119. The next prime is 4409994133. The reversal of 4409994132 is 2314999044.

4409994132 is a `hidden beast` number, since 440 + 99 + 94 + 1 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409994133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320833 + ... + 334295.

It is an arithmetic number, because the mean of its divisors is an integer number (161048888).

Almost surely, 2^4409994132 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 4409994132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5797759968).

4409994132 is an abundant number, since it is smaller than the sum of its proper divisors (7185525804).

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

4409994132 is a wasteful number, since it uses less digits than its factorization.

4409994132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13819 (or 13805 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 4409994132 is about 66407.7866819848. The cubic root of 4409994132 is about 1639.8822704503.

The spelling of 4409994132 in words is "four billion, four hundred nine million, nine hundred ninety-four thousand, one hundred thirty-two".