681108480 has 352 divisors, whose sum is σ = 2613609600. Its totient is φ = 167215104.

The previous prime is 681108473. The next prime is 681108481. The reversal of 681108480 is 84801186.

681108480 is a `hidden beast` number, since 68 + 110 + 8 + 480 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681108481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1796931 + ... + 1797309.

Almost surely, 2^681108480 is an apocalyptic number.

681108480 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 681108480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306804800).

681108480 is an abundant number, since it is smaller than the sum of its proper divisors (1932501120).

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

681108480 is a wasteful number, since it uses less digits than its factorization.

681108480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 681108480 is about 26098.0550999495. The cubic root of 681108480 is about 879.8434983398.

The spelling of 681108480 in words is "six hundred eighty-one million, one hundred eight thousand, four hundred eighty".