21440554300041 has 8 divisors (see below), whose sum is σ = 30269017835424. Its totient is φ = 13452896815680.

The previous prime is 21440554299979. The next prime is 21440554300057. The reversal of 21440554300041 is 14000345504412.

It is a happy number.

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

It is not a de Polignac number, because 21440554300041 - 2¹¹ = 21440554297993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21440554299975 and 21440554300011.

It is not an unprimeable number, because it can be changed into a prime (21440554307041) 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, 210201512695 + ... + 210201512796.

It is an arithmetic number, because the mean of its divisors is an integer number (3783627229428).

Almost surely, 2^{21440554300041} is an apocalyptic number.

It is an amenable number.

21440554300041 is a deficient number, since it is larger than the sum of its proper divisors (8828463535383).

21440554300041 is a wasteful number, since it uses less digits than its factorization.

21440554300041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420403025511.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 21440554300041 its reverse (14000345504412), we get a palindrome (35440899804453).

The spelling of 21440554300041 in words is "twenty-one trillion, four hundred forty billion, five hundred fifty-four million, three hundred thousand, forty-one".