4439664960 has 112 divisors (see below), whose sum is σ = 14138794176. Its totient is φ = 1180311552.

The previous prime is 4439664959. The next prime is 4439664991. The reversal of 4439664960 is 694669344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316659 + ... + 330381.

Almost surely, 2^4439664960 is an apocalyptic number.

4439664960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4439664960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7069397088).

4439664960 is an abundant number, since it is smaller than the sum of its proper divisors (9699129216).

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

4439664960 is a wasteful number, since it uses less digits than its factorization.

4439664960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080 (or 14070 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 51.

The square root of 4439664960 is about 66630.8108910585. The cubic root of 4439664960 is about 1643.5518103852.

The spelling of 4439664960 in words is "four billion, four hundred thirty-nine million, six hundred sixty-four thousand, nine hundred sixty".