240021013224443 has 4 divisors (see below), whose sum is σ = 261841105335768. Its totient is φ = 218200921113120.

The previous prime is 240021013224439. The next prime is 240021013224463. The reversal of 240021013224443 is 344422310120042.

It is a happy number.

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

It is not a de Polignac number, because 240021013224443 - 2² = 240021013224439 is a prime.

It is a super-2 number, since 2×240021013224443² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240021013224463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10910046055646 + ... + 10910046055667.

It is an arithmetic number, because the mean of its divisors is an integer number (65460276333942).

Almost surely, 2^{240021013224443} is an apocalyptic number.

240021013224443 is a deficient number, since it is larger than the sum of its proper divisors (21820092111325).

240021013224443 is a wasteful number, since it uses less digits than its factorization.

240021013224443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820092111324.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 240021013224443 its reverse (344422310120042), we get a palindrome (584443323344485).

The spelling of 240021013224443 in words is "two hundred forty trillion, twenty-one billion, thirteen million, two hundred twenty-four thousand, four hundred forty-three".