640260110241 has 48 divisors (see below), whose sum is σ = 991271544640. Its totient is φ = 397015032960.

The previous prime is 640260110213. The next prime is 640260110249. The reversal of 640260110241 is 142011062046.

640260110241 is a `hidden beast` number, since 6 + 4 + 0 + 2 + 601 + 10 + 2 + 41 = 666.

It is not a de Polignac number, because 640260110241 - 2¹⁰ = 640260109217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (640260110249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5649651 + ... + 5761863.

Almost surely, 2^640260110241 is an apocalyptic number.

640260110241 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

640260110241 is a deficient number, since it is larger than the sum of its proper divisors (351011434399).

640260110241 is a wasteful number, since it uses less digits than its factorization.

640260110241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112846 (or 112843 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 640260110241 its reverse (142011062046), we get a palindrome (782271172287).

The spelling of 640260110241 in words is "six hundred forty billion, two hundred sixty million, one hundred ten thousand, two hundred forty-one".