21624030630041 has 16 divisors (see below), whose sum is σ = 24721454969856. Its totient is φ = 18528676310976.

The previous prime is 21624030629941. The next prime is 21624030630109. The reversal of 21624030630041 is 14003603042612.

It is a cyclic number.

It is not a de Polignac number, because 21624030630041 - 2¹⁸ = 21624030367897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21624030630641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619990895 + ... + 620025771.

It is an arithmetic number, because the mean of its divisors is an integer number (1545090935616).

Almost surely, 2^{21624030630041} is an apocalyptic number.

It is an amenable number.

21624030630041 is a deficient number, since it is larger than the sum of its proper divisors (3097424339815).

21624030630041 is a wasteful number, since it uses less digits than its factorization.

21624030630041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62008.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 21624030630041 its reverse (14003603042612), we get a palindrome (35627633672653).

The spelling of 21624030630041 in words is "twenty-one trillion, six hundred twenty-four billion, thirty million, six hundred thirty thousand, forty-one".