680415441500 has 96 divisors (see below), whose sum is σ = 1524252649920. Its totient is φ = 265247136000.

The previous prime is 680415441491. The next prime is 680415441571. The reversal of 680415441500 is 5144514086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3222167 + ... + 3426833.

It is an arithmetic number, because the mean of its divisors is an integer number (15877631770).

Almost surely, 2^680415441500 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 680415441500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762126324960).

680415441500 is an abundant number, since it is smaller than the sum of its proper divisors (843837208420).

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

680415441500 is a wasteful number, since it uses less digits than its factorization.

680415441500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204856 (or 204844 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

Adding to 680415441500 its reverse (5144514086), we get a palindrome (685559955586).

The spelling of 680415441500 in words is "six hundred eighty billion, four hundred fifteen million, four hundred forty-one thousand, five hundred".