240842108263 has 12 divisors (see below), whose sum is σ = 259258371840. Its totient is φ = 222958884480.

The previous prime is 240842108257. The next prime is 240842108371. The reversal of 240842108263 is 362801248042.

It is not a de Polignac number, because 240842108263 - 2¹³ = 240842100071 is a prime.

It is a super-2 number, since 2×240842108263² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240842108233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1840423 + ... + 1966936.

It is an arithmetic number, because the mean of its divisors is an integer number (21604864320).

Almost surely, 2^240842108263 is an apocalyptic number.

240842108263 is a deficient number, since it is larger than the sum of its proper divisors (18416263577).

240842108263 is an equidigital number, since it uses as much as digits as its factorization.

240842108263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807498 (or 3807437 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 240842108263 in words is "two hundred forty billion, eight hundred forty-two million, one hundred eight thousand, two hundred sixty-three".