685036602048 has 112 divisors (see below), whose sum is σ = 1825383216384. Its totient is φ = 226725534720.

The previous prime is 685036602023. The next prime is 685036602059. The reversal of 685036602048 is 840206630586.

It is a super-2 number, since 2×685036602048² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 685036601988 and 685036602006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22469311 + ... + 22499777.

It is an arithmetic number, because the mean of its divisors is an integer number (16298064432).

Almost surely, 2^685036602048 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 685036602048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912691608192).

685036602048 is an abundant number, since it is smaller than the sum of its proper divisors (1140346614336).

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

685036602048 is a wasteful number, since it uses less digits than its factorization.

685036602048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31310 (or 31300 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 685036602048 in words is "six hundred eighty-five billion, thirty-six million, six hundred two thousand, forty-eight".