680223040974 has 64 divisors (see below), whose sum is σ = 1532578682880. Its totient is φ = 223614241920.

The previous prime is 680223040961. The next prime is 680223040993. The reversal of 680223040974 is 479040322086.

680223040974 is a `hidden beast` number, since 6 + 8 + 0 + 2 + 230 + 409 + 7 + 4 = 666.

It is a Curzon number.

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, 1024534 + ... + 1552454.

It is an arithmetic number, because the mean of its divisors is an integer number (23946541920).

Almost surely, 2^680223040974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680223040974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766289341440).

680223040974 is an abundant number, since it is smaller than the sum of its proper divisors (852355641906).

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

680223040974 is a wasteful number, since it uses less digits than its factorization.

680223040974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528262 (or 528256 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 680223040974 in words is "six hundred eighty billion, two hundred twenty-three million, forty thousand, nine hundred seventy-four".