240608660 has 12 divisors (see below), whose sum is σ = 505278228. Its totient is φ = 96243456.

The previous prime is 240608629. The next prime is 240608663. The reversal of 240608660 is 66806042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116553616 + 124055044 = 10796^2 + 11138^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240608663) 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, 6015197 + ... + 6015236.

It is an arithmetic number, because the mean of its divisors is an integer number (42106519).

Almost surely, 2^240608660 is an apocalyptic number.

240608660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240608660 is an abundant number, since it is smaller than the sum of its proper divisors (264669568).

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

240608660 is a wasteful number, since it uses less digits than its factorization.

240608660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12030442 (or 12030440 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 240608660 is about 15511.5653626576. The cubic root of 240608660 is about 621.9714044125.

The spelling of 240608660 in words is "two hundred forty million, six hundred eight thousand, six hundred sixty".