240246660066 has 32 divisors (see below), whose sum is σ = 550022415360. Its totient is φ = 68531003856.

The previous prime is 240246660019. The next prime is 240246660079. The reversal of 240246660066 is 660066642042.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4594486 + ... + 4646481.

It is an arithmetic number, because the mean of its divisors is an integer number (17188200480).

Almost surely, 2^240246660066 is an apocalyptic number.

240246660066 is an abundant number, since it is smaller than the sum of its proper divisors (309775755294).

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

240246660066 is a wasteful number, since it uses less digits than its factorization.

240246660066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9241598.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 240246660066 in words is "two hundred forty billion, two hundred forty-six million, six hundred sixty thousand, sixty-six".