4438432740 has 144 divisors (see below), whose sum is σ = 14597960832. Its totient is φ = 1004580864.

The previous prime is 4438432729. The next prime is 4438432741. The reversal of 4438432740 is 472348344.

It is not an unprimeable number, because it can be changed into a prime (4438432741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 295492 + ... + 310148.

It is an arithmetic number, because the mean of its divisors is an integer number (101374728).

Almost surely, 2^4438432740 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 4438432740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7298980416).

4438432740 is an abundant number, since it is smaller than the sum of its proper divisors (10159528092).

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

4438432740 is a wasteful number, since it uses less digits than its factorization.

4438432740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14786 (or 14777 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 39.

The square root of 4438432740 is about 66621.5636262014. The cubic root of 4438432740 is about 1643.3997414923.

The spelling of 4438432740 in words is "four billion, four hundred thirty-eight million, four hundred thirty-two thousand, seven hundred forty".