40004044433 has 2 divisors, whose sum is σ = 40004044434. Its totient is φ = 40004044432.

The previous prime is 40004044429. The next prime is 40004044439. The reversal of 40004044433 is 33444040004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30348427264 + 9655617169 = 174208^2 + 98263^2 .

It is a cyclic number.

It is not a de Polignac number, because 40004044433 - 2² = 40004044429 is a prime.

It is not a weakly prime, because it can be changed into another prime (40004044439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002022216 + 20002022217.

It is an arithmetic number, because the mean of its divisors is an integer number (20002022217).

Almost surely, 2^40004044433 is an apocalyptic number.

It is an amenable number.

40004044433 is a deficient number, since it is larger than the sum of its proper divisors (1).

40004044433 is an equidigital number, since it uses as much as digits as its factorization.

40004044433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 40004044433 its reverse (33444040004), we get a palindrome (73448084437).

The spelling of 40004044433 in words is "forty billion, four million, forty-four thousand, four hundred thirty-three".