680265557050 has 48 divisors (see below), whose sum is σ = 1327938935040. Its totient is φ = 258770959040.

The previous prime is 680265557003. The next prime is 680265557057. The reversal of 680265557050 is 50755562086.

It is a super-2 number, since 2×680265557050² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 680265556985 and 680265557003.

It is not an unprimeable number, because it can be changed into a prime (680265557057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1510690 + ... + 1908589.

It is an arithmetic number, because the mean of its divisors is an integer number (27665394480).

Almost surely, 2^680265557050 is an apocalyptic number.

680265557050 is a deficient number, since it is larger than the sum of its proper divisors (647673377990).

680265557050 is a wasteful number, since it uses less digits than its factorization.

680265557050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419487 (or 3419482 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 680265557050 in words is "six hundred eighty billion, two hundred sixty-five million, five hundred fifty-seven thousand, fifty".