21441340041 has 8 divisors (see below), whose sum is σ = 31187403744. Its totient is φ = 12994751520.

The previous prime is 21441340021. The next prime is 21441340043. The reversal of 21441340041 is 14004314412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21441340041 - 2⁶ = 21441339977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21441339993 and 21441340020.

It is not an unprimeable number, because it can be changed into a prime (21441340043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324868756 + ... + 324868821.

It is an arithmetic number, because the mean of its divisors is an integer number (3898425468).

Almost surely, 2^21441340041 is an apocalyptic number.

It is an amenable number.

21441340041 is a deficient number, since it is larger than the sum of its proper divisors (9746063703).

21441340041 is a wasteful number, since it uses less digits than its factorization.

21441340041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649737591.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21441340041 its reverse (14004314412), we get a palindrome (35445654453).

The spelling of 21441340041 in words is "twenty-one billion, four hundred forty-one million, three hundred forty thousand, forty-one".