681485048 has 32 divisors (see below), whose sum is σ = 1291100160. Its totient is φ = 337206240.

The previous prime is 681484961. The next prime is 681485053. The reversal of 681485048 is 840584186.

681485048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640565 + ... + 641627.

It is an arithmetic number, because the mean of its divisors is an integer number (40346880).

Almost surely, 2^681485048 is an apocalyptic number.

It is an amenable number.

681485048 is a deficient number, since it is larger than the sum of its proper divisors (609615112).

681485048 is a wasteful number, since it uses less digits than its factorization.

681485048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 681485048 is about 26105.2685870113. The cubic root of 681485048 is about 880.0056163553.

The spelling of 681485048 in words is "six hundred eighty-one million, four hundred eighty-five thousand, forty-eight".