240400445440223 has 4 divisors (see below), whose sum is σ = 240400535914728. Its totient is φ = 240400354965720.

The previous prime is 240400445440219. The next prime is 240400445440271. The reversal of 240400445440223 is 322044544004042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240400445440223 - 2² = 240400445440219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240400445440273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41127113 + ... + 46607298.

It is an arithmetic number, because the mean of its divisors is an integer number (60100133978682).

Almost surely, 2^{240400445440223} is an apocalyptic number.

240400445440223 is a deficient number, since it is larger than the sum of its proper divisors (90474505).

240400445440223 is an equidigital number, since it uses as much as digits as its factorization.

240400445440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90474504.

The product of its (nonzero) digits is 491520, while the sum is 38.

Adding to 240400445440223 its reverse (322044544004042), we get a palindrome (562444989444265).

The spelling of 240400445440223 in words is "two hundred forty trillion, four hundred billion, four hundred forty-five million, four hundred forty thousand, two hundred twenty-three".