240656331264 has 40 divisors (see below), whose sum is σ = 641123511600. Its totient is φ = 80218776576.

The previous prime is 240656331257. The next prime is 240656331313. The reversal of 240656331264 is 462133656042.

It is a happy number.

240656331264 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78337114 + ... + 78340185.

It is an arithmetic number, because the mean of its divisors is an integer number (16028087790).

Almost surely, 2^240656331264 is an apocalyptic number.

240656331264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

240656331264 is an abundant number, since it is smaller than the sum of its proper divisors (400467180336).

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

240656331264 is an equidigital number, since it uses as much as digits as its factorization.

240656331264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156677320 (or 156677304 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 240656331264 in words is "two hundred forty billion, six hundred fifty-six million, three hundred thirty-one thousand, two hundred sixty-four".