1685468445330 has 32 divisors (see below), whose sum is σ = 4048257688128. Its totient is φ = 449110094400.

The previous prime is 1685468445223. The next prime is 1685468445343. The reversal of 1685468445330 is 335448645861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21720481 + ... + 21797940.

It is an arithmetic number, because the mean of its divisors is an integer number (126508052754).

Almost surely, 2^{1685468445330} is an apocalyptic number.

1685468445330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1685468445330 is an abundant number, since it is smaller than the sum of its proper divisors (2362789242798).

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

1685468445330 is a wasteful number, since it uses less digits than its factorization.

1685468445330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43519722.

The product of its (nonzero) digits is 33177600, while the sum is 57.

The spelling of 1685468445330 in words is "one trillion, six hundred eighty-five billion, four hundred sixty-eight million, four hundred forty-five thousand, three hundred thirty".