4806640660 has 12 divisors (see below), whose sum is σ = 10093945428. Its totient is φ = 1922656256.

The previous prime is 4806640549. The next prime is 4806640661. The reversal of 4806640660 is 660466084.

It can be written as a sum of positive squares in 2 ways, for example, as 3556452496 + 1250188164 = 59636^2 + 35358^2 .

It is a super-3 number, since 3×4806640660³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4806640661) 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, 120165997 + ... + 120166036.

It is an arithmetic number, because the mean of its divisors is an integer number (841162119).

Almost surely, 2^4806640660 is an apocalyptic number.

It is an amenable number.

4806640660 is an abundant number, since it is smaller than the sum of its proper divisors (5287304768).

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

4806640660 is a wasteful number, since it uses less digits than its factorization.

4806640660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240332042 (or 240332040 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 4806640660 is about 69329.9405740406. The cubic root of 4806640660 is about 1687.6428818021.

The spelling of 4806640660 in words is "four billion, eight hundred six million, six hundred forty thousand, six hundred sixty".