4405686688 has 72 divisors (see below), whose sum is σ = 9415411488. Its totient is φ = 2028379392.

The previous prime is 4405686679. The next prime is 4405686721. The reversal of 4405686688 is 8866865044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3043981 + ... + 3045427.

It is an arithmetic number, because the mean of its divisors is an integer number (130769604).

Almost surely, 2^4405686688 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 4405686688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4707705744).

4405686688 is an abundant number, since it is smaller than the sum of its proper divisors (5009724800).

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

4405686688 is a wasteful number, since it uses less digits than its factorization.

4405686688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 55.

The square root of 4405686688 is about 66375.3469896768. The cubic root of 4405686688 is about 1639.3481803890.

The spelling of 4405686688 in words is "four billion, four hundred five million, six hundred eighty-six thousand, six hundred eighty-eight".