681414480 has 120 divisors (see below), whose sum is σ = 2408908320. Its totient is φ = 172143360.

The previous prime is 681414467. The next prime is 681414509. The reversal of 681414480 is 84414186.

It is a tau number, because it is divible by the number of its divisors (120).

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11226 + ... + 38585.

It is an arithmetic number, because the mean of its divisors is an integer number (20074236).

Almost surely, 2^681414480 is an apocalyptic number.

681414480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

681414480 is an abundant number, since it is smaller than the sum of its proper divisors (1727493840).

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

681414480 is a wasteful number, since it uses less digits than its factorization.

681414480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49849 (or 49840 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 681414480 is about 26103.9169474621. The cubic root of 681414480 is about 879.9752403502.

The spelling of 681414480 in words is "six hundred eighty-one million, four hundred fourteen thousand, four hundred eighty".