21440024354114 has 16 divisors (see below), whose sum is σ = 33799725610560. Its totient is φ = 10180155445680.

The previous prime is 21440024354107. The next prime is 21440024354167. The reversal of 21440024354114 is 41145342004412.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676567297 + ... + 1676580084.

It is an arithmetic number, because the mean of its divisors is an integer number (2112482850660).

Almost surely, 2^{21440024354114} is an apocalyptic number.

21440024354114 is a deficient number, since it is larger than the sum of its proper divisors (12359701256446).

21440024354114 is a wasteful number, since it uses less digits than its factorization.

21440024354114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353147545.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 21440024354114 its reverse (41145342004412), we get a palindrome (62585366358526).

The spelling of 21440024354114 in words is "twenty-one trillion, four hundred forty billion, twenty-four million, three hundred fifty-four thousand, one hundred fourteen".