240640660471200 has 144 divisors (see below), whose sum is σ = 854493109003296. Its totient is φ = 58337129804800.

The previous prime is 240640660471199. The next prime is 240640660471223. The reversal of 240640660471200 is 2174066046042.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4557561867 + ... + 4557614666.

It is an arithmetic number, because the mean of its divisors is an integer number (5933979923634).

Almost surely, 2^{240640660471200} is an apocalyptic number.

240640660471200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240640660471200 is an abundant number, since it is smaller than the sum of its proper divisors (613852448532096).

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

240640660471200 is a wasteful number, since it uses less digits than its factorization.

240640660471200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115176567 (or 9115176554 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 240640660471200 in words is "two hundred forty trillion, six hundred forty billion, six hundred sixty million, four hundred seventy-one thousand, two hundred".