1685183350040 has 64 divisors (see below), whose sum is σ = 3812695488000. Its totient is φ = 670341813120.

The previous prime is 1685183350009. The next prime is 1685183350049. The reversal of 1685183350040 is 400533815861.

It is a junction number, because it is equal to n+sod(n) for n = 1685183349973 and 1685183350000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685183350049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6945575 + ... + 7184105.

It is an arithmetic number, because the mean of its divisors is an integer number (59573367000).

Almost surely, 2^{1685183350040} is an apocalyptic number.

1685183350040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1685183350040 is an abundant number, since it is smaller than the sum of its proper divisors (2127512137960).

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

1685183350040 is a wasteful number, since it uses less digits than its factorization.

1685183350040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239520 (or 239516 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 1685183350040 in words is "one trillion, six hundred eighty-five billion, one hundred eighty-three million, three hundred fifty thousand, forty".