4435871616 has 240 divisors, whose sum is σ = 14094451800. Its totient is φ = 1339092480.

The previous prime is 4435871603. The next prime is 4435871633. The reversal of 4435871616 is 6161785344.

4435871616 is a `hidden beast` number, since 4 + 4 + 3 + 587 + 1 + 61 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 16866301 + ... + 16866563.

Almost surely, 2^4435871616 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 4435871616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7047225900).

4435871616 is an abundant number, since it is smaller than the sum of its proper divisors (9658580184).

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

4435871616 is an equidigital number, since it uses as much as digits as its factorization.

4435871616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 279 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 4435871616 is about 66602.3394183718. The cubic root of 4435871616 is about 1643.0835818181.

The spelling of 4435871616 in words is "four billion, four hundred thirty-five million, eight hundred seventy-one thousand, six hundred sixteen".