680523480 has 192 divisors, whose sum is σ = 2722224960. Its totient is φ = 143576064.

The previous prime is 680523479. The next prime is 680523491. The reversal of 680523480 is 84325086.

It is a super-2 number, since 2×680523480² = 926224413662620800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22374 + ... + 43146.

It is an arithmetic number, because the mean of its divisors is an integer number (14178255).

Almost surely, 2^680523480 is an apocalyptic number.

680523480 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 680523480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361112480).

680523480 is an abundant number, since it is smaller than the sum of its proper divisors (2041701480).

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

680523480 is a wasteful number, since it uses less digits than its factorization.

680523480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20810 (or 20803 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 680523480 is about 26086.8449606310. The cubic root of 680523480 is about 879.5915287480.

The spelling of 680523480 in words is "six hundred eighty million, five hundred twenty-three thousand, four hundred eighty".