680498280 has 512 divisors, whose sum is σ = 2903040000. Its totient is φ = 140555520.

The previous prime is 680498257. The next prime is 680498303. The reversal of 680498280 is 82894086.

It is a happy number.

680498280 is a `hidden beast` number, since 6 + 80 + 498 + 2 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (680498257) and next prime (680498303).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 127 ways as a sum of consecutive naturals, for example, 4074757 + ... + 4074923.

It is an arithmetic number, because the mean of its divisors is an integer number (5670000).

Almost surely, 2^680498280 is an apocalyptic number.

680498280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680498280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451520000).

680498280 is an abundant number, since it is smaller than the sum of its proper divisors (2222541720).

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

680498280 is a wasteful number, since it uses less digits than its factorization.

680498280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 680498280 is about 26086.3619540939. The cubic root of 680498280 is about 879.5806714297.

The spelling of 680498280 in words is "six hundred eighty million, four hundred ninety-eight thousand, two hundred eighty".