40884564433 has 2 divisors, whose sum is σ = 40884564434. Its totient is φ = 40884564432.

The previous prime is 40884564373. The next prime is 40884564449. The reversal of 40884564433 is 33446548804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40861792449 + 22771984 = 202143^2 + 4772^2 .

It is a cyclic number.

It is not a de Polignac number, because 40884564433 - 2¹⁷ = 40884433361 is a prime.

It is a super-2 number, since 2×40884564433² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40884565433) 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, 20442282216 + 20442282217.

It is an arithmetic number, because the mean of its divisors is an integer number (20442282217).

Almost surely, 2^40884564433 is an apocalyptic number.

It is an amenable number.

40884564433 is a deficient number, since it is larger than the sum of its proper divisors (1).

40884564433 is an equidigital number, since it uses as much as digits as its factorization.

40884564433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4423680, while the sum is 49.

The spelling of 40884564433 in words is "forty billion, eight hundred eighty-four million, five hundred sixty-four thousand, four hundred thirty-three".