240440042263 has 16 divisors (see below), whose sum is σ = 255665833920. Its totient is φ = 225613200384.

The previous prime is 240440042251. The next prime is 240440042327. The reversal of 240440042263 is 362240044042.

It is a cyclic number.

It is not a de Polignac number, because 240440042263 - 2¹³ = 240440034071 is a prime.

It is a super-2 number, since 2×240440042263² (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 (240440042363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12703495 + ... + 12722407.

It is an arithmetic number, because the mean of its divisors is an integer number (15979114620).

Almost surely, 2^240440042263 is an apocalyptic number.

240440042263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

240440042263 is a deficient number, since it is larger than the sum of its proper divisors (15225791657).

240440042263 is a wasteful number, since it uses less digits than its factorization.

240440042263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29418.

The product of its (nonzero) digits is 36864, while the sum is 31.

The spelling of 240440042263 in words is "two hundred forty billion, four hundred forty million, forty-two thousand, two hundred sixty-three".