240644400466338 has 96 divisors (see below), whose sum is σ = 569776012041600. Its totient is φ = 72796976870400.

The previous prime is 240644400466303. The next prime is 240644400466343. The reversal of 240644400466338 is 833664004446042.

240644400466338 is a `hidden beast` number, since 2 + 40 + 64 + 440 + 0 + 46 + 63 + 3 + 8 = 666.

It is a super-2 number, since 2×240644400466338² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313421028 + ... + 314187888.

It is an arithmetic number, because the mean of its divisors is an integer number (5935166792100).

Almost surely, 2^{240644400466338} is an apocalyptic number.

240644400466338 is an abundant number, since it is smaller than the sum of its proper divisors (329131611575262).

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

240644400466338 is a wasteful number, since it uses less digits than its factorization.

240644400466338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769608 (or 769605 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 54.

The spelling of 240644400466338 in words is "two hundred forty trillion, six hundred forty-four billion, four hundred million, four hundred sixty-six thousand, three hundred thirty-eight".