40510330110221 has 2 divisors, whose sum is σ = 40510330110222. Its totient is φ = 40510330110220.

The previous prime is 40510330110199. The next prime is 40510330110301. The reversal of 40510330110221 is 12201103301504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40306486890121 + 203843220100 = 6348739^2 + 451490^2 .

It is a cyclic number.

It is not a de Polignac number, because 40510330110221 - 2³⁰ = 40509256368397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40510330118221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20255165055110 + 20255165055111.

It is an arithmetic number, because the mean of its divisors is an integer number (20255165055111).

Almost surely, 2^{40510330110221} is an apocalyptic number.

It is an amenable number.

40510330110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

40510330110221 is an equidigital number, since it uses as much as digits as its factorization.

40510330110221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 40510330110221 its reverse (12201103301504), we get a palindrome (52711433411725).

The spelling of 40510330110221 in words is "forty trillion, five hundred ten billion, three hundred thirty million, one hundred ten thousand, two hundred twenty-one".