4445706816 has 56 divisors (see below), whose sum is σ = 13069559840. Its totient is φ = 1481901696.

The previous prime is 4445706767. The next prime is 4445706847. The reversal of 4445706816 is 6186075444.

4445706816 is a `hidden beast` number, since 4 + 4 + 4 + 570 + 68 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284646 + ... + 1288101.

Almost surely, 2^4445706816 is an apocalyptic number.

It is an amenable number.

4445706816 is an abundant number, since it is smaller than the sum of its proper divisors (8623853024).

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

4445706816 is a wasteful number, since it uses less digits than its factorization.

4445706816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572768 (or 2572752 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4445706816 is about 66676.1337811364. The cubic root of 4445706816 is about 1644.2970319500.

The spelling of 4445706816 in words is "four billion, four hundred forty-five million, seven hundred six thousand, eight hundred sixteen".