40201324004509 has 2 divisors, whose sum is σ = 40201324004510. Its totient is φ = 40201324004508.

The previous prime is 40201324004417. The next prime is 40201324004531. The reversal of 40201324004509 is 90540042310204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40181336265625 + 19987738884 = 6338875^2 + 141378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40201324004509 is a prime.

It is a super-2 number, since 2×40201324004509² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40201324004209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100662002254 + 20100662002255.

It is an arithmetic number, because the mean of its divisors is an integer number (20100662002255).

Almost surely, 2^{40201324004509} is an apocalyptic number.

It is an amenable number.

40201324004509 is a deficient number, since it is larger than the sum of its proper divisors (1).

40201324004509 is an equidigital number, since it uses as much as digits as its factorization.

40201324004509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 40201324004509 in words is "forty trillion, two hundred one billion, three hundred twenty-four million, four thousand, five hundred nine".