240043344505 has 16 divisors (see below), whose sum is σ = 290911927824. Its totient is φ = 190131701760.

The previous prime is 240043344481. The next prime is 240043344539. The reversal of 240043344505 is 505443340042.

It can be written as a sum of positive squares in 8 ways, for example, as 166376699449 + 73666645056 = 407893^2 + 271416^2 .

It is not a de Polignac number, because 240043344505 - 2⁷ = 240043344377 is a prime.

It is a super-2 number, since 2×240043344505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302695 + ... + 756115.

It is an arithmetic number, because the mean of its divisors is an integer number (18181995489).

Almost surely, 2^240043344505 is an apocalyptic number.

It is an amenable number.

240043344505 is a deficient number, since it is larger than the sum of its proper divisors (50868583319).

240043344505 is a wasteful number, since it uses less digits than its factorization.

240043344505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454476.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 240043344505 its reverse (505443340042), we get a palindrome (745486684547).

The spelling of 240043344505 in words is "two hundred forty billion, forty-three million, three hundred forty-four thousand, five hundred five".