680001450 has 96 divisors (see below), whose sum is σ = 1782594240. Its totient is φ = 171072000.

The previous prime is 680001449. The next prime is 680001457. The reversal of 680001450 is 54100086.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 680001450.

It is not an unprimeable number, because it can be changed into a prime (680001457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1131150 + ... + 1131750.

It is an arithmetic number, because the mean of its divisors is an integer number (18568690).

Almost surely, 2^680001450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680001450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891297120).

680001450 is an abundant number, since it is smaller than the sum of its proper divisors (1102592790).

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

680001450 is a wasteful number, since it uses less digits than its factorization.

680001450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 680001450 is about 26076.8374232766. The cubic root of 680001450 is about 879.3665594707.

The spelling of 680001450 in words is "six hundred eighty million, one thousand, four hundred fifty".