4390986816 has 84 divisors (see below), whose sum is σ = 12992022784. Its totient is φ = 1416441600.

The previous prime is 4390986793. The next prime is 4390986841. The reversal of 4390986816 is 6186890934.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105100 + ... + 140811.

Almost surely, 2^4390986816 is an apocalyptic number.

It is an amenable number.

4390986816 is an abundant number, since it is smaller than the sum of its proper divisors (8601035968).

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

4390986816 is a wasteful number, since it uses less digits than its factorization.

4390986816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245960 (or 245947 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 4390986816 is about 66264.5215481105. The cubic root of 4390986816 is about 1637.5228833972.

The spelling of 4390986816 in words is "four billion, three hundred ninety million, nine hundred eighty-six thousand, eight hundred sixteen".