3240564660 has 36 divisors (see below), whose sum is σ = 9829713348. Its totient is φ = 864150528.

The previous prime is 3240564653. The next prime is 3240564689. The reversal of 3240564660 is 664650423.

3240564660 is a `hidden beast` number, since 3 + 2 + 4 + 0 + 5 + 646 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 985834404 + 2254730256 = 31398^2 + 47484^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 9001389 + ... + 9001748.

It is an arithmetic number, because the mean of its divisors is an integer number (273047593).

Almost surely, 2^3240564660 is an apocalyptic number.

3240564660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3240564660 is an abundant number, since it is smaller than the sum of its proper divisors (6589148688).

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

3240564660 is a wasteful number, since it uses less digits than its factorization.

3240564660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18003152 (or 18003147 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 3240564660 is about 56925.9576994538. The cubic root of 3240564660 is about 1479.8132007970.

The spelling of 3240564660 in words is "three billion, two hundred forty million, five hundred sixty-four thousand, six hundred sixty".