685183234000 has 80 divisors (see below), whose sum is σ = 1657204735680. Its totient is φ = 274001884800.

The previous prime is 685183233941. The next prime is 685183234009. The reversal of 685183234000 is 432381586.

685183234000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685183234009) 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, 7995379 + ... + 8080621.

It is an arithmetic number, because the mean of its divisors is an integer number (20715059196).

Almost surely, 2^685183234000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 685183234000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828602367840).

685183234000 is an abundant number, since it is smaller than the sum of its proper divisors (972021501680).

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

685183234000 is a wasteful number, since it uses less digits than its factorization.

685183234000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89285 (or 89269 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 685183234000 in words is "six hundred eighty-five billion, one hundred eighty-three million, two hundred thirty-four thousand".