685410940380 has 48 divisors (see below), whose sum is σ = 2020158564480. Its totient is φ = 173156447808.

The previous prime is 685410940363. The next prime is 685410940381. The reversal of 685410940380 is 83049014586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685410940381) 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, 300617694 + ... + 300619973.

It is an arithmetic number, because the mean of its divisors is an integer number (42086636760).

Almost surely, 2^685410940380 is an apocalyptic number.

685410940380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

685410940380 is an abundant number, since it is smaller than the sum of its proper divisors (1334747624100).

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

685410940380 is a wasteful number, since it uses less digits than its factorization.

685410940380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601237698 (or 601237696 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 685410940380 in words is "six hundred eighty-five billion, four hundred ten million, nine hundred forty thousand, three hundred eighty".