4455682785 has 12 divisors (see below), whose sum is σ = 7723183572. Its totient is φ = 2376364128.

The previous prime is 4455682769. The next prime is 4455682789. The reversal of 4455682785 is 5872865544.

4455682785 is a `hidden beast` number, since 4 + 4 + 5 + 568 + 2 + 78 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2295943056 + 2159739729 = 47916^2 + 46473^2 .

It is not a de Polignac number, because 4455682785 - 2⁴ = 4455682769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4455682789) by changing a digit.

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, 49507542 + ... + 49507631.

It is an arithmetic number, because the mean of its divisors is an integer number (643598631).

Almost surely, 2^4455682785 is an apocalyptic number.

4455682785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4455682785 is a deficient number, since it is larger than the sum of its proper divisors (3267500787).

4455682785 is a wasteful number, since it uses less digits than its factorization.

4455682785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99015184 (or 99015181 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 54.

The square root of 4455682785 is about 66750.9010051550. The cubic root of 4455682785 is about 1645.5260230213.

The spelling of 4455682785 in words is "four billion, four hundred fifty-five million, six hundred eighty-two thousand, seven hundred eighty-five".