40041204420433 has 2 divisors, whose sum is σ = 40041204420434. Its totient is φ = 40041204420432.

The previous prime is 40041204420403. The next prime is 40041204420449. The reversal of 40041204420433 is 33402440214004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37997768478289 + 2043435942144 = 6164233^2 + 1429488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40041204420433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40041204420395 and 40041204420404.

It is not a weakly prime, because it can be changed into another prime (40041204420403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020602210216 + 20020602210217.

It is an arithmetic number, because the mean of its divisors is an integer number (20020602210217).

Almost surely, 2^{40041204420433} is an apocalyptic number.

It is an amenable number.

40041204420433 is a deficient number, since it is larger than the sum of its proper divisors (1).

40041204420433 is an equidigital number, since it uses as much as digits as its factorization.

40041204420433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40041204420433 its reverse (33402440214004), we get a palindrome (73443644634437).

The spelling of 40041204420433 in words is "forty trillion, forty-one billion, two hundred four million, four hundred twenty thousand, four hundred thirty-three".