680408124 has 48 divisors (see below), whose sum is σ = 1734458880. Its totient is φ = 205885440.

The previous prime is 680408111. The next prime is 680408159. The reversal of 680408124 is 421804086.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98157 + ... + 104859.

It is an arithmetic number, because the mean of its divisors is an integer number (36134560).

Almost surely, 2^680408124 is an apocalyptic number.

It is an amenable number.

680408124 is an abundant number, since it is smaller than the sum of its proper divisors (1054050756).

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

680408124 is a wasteful number, since it uses less digits than its factorization.

680408124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490 (or 7488 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 680408124 is about 26084.6338674707. The cubic root of 680408124 is about 879.5418258859.

It can be divided in two parts, 680 and 408124, that added together give a palindrome (408804).

The spelling of 680408124 in words is "six hundred eighty million, four hundred eight thousand, one hundred twenty-four".