660460044 has 12 divisors (see below), whose sum is σ = 1541073464. Its totient is φ = 220153344.

The previous prime is 660460043. The next prime is 660460051. The reversal of 660460044 is 440064066.

660460044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 660459993 and 660460020.

It is not an unprimeable number, because it can be changed into a prime (660460043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27519157 + ... + 27519180.

Almost surely, 2^660460044 is an apocalyptic number.

It is an amenable number.

660460044 is an abundant number, since it is smaller than the sum of its proper divisors (880613420).

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

660460044 is a wasteful number, since it uses less digits than its factorization.

660460044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55038344 (or 55038342 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 660460044 is about 25699.4171918353. The cubic root of 660460044 is about 870.8610157410.

The spelling of 660460044 in words is "six hundred sixty million, four hundred sixty thousand, forty-four".