9040520029 has 2 divisors, whose sum is σ = 9040520030. Its totient is φ = 9040520028.

The previous prime is 9040519991. The next prime is 9040520033. The reversal of 9040520029 is 9200250409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5298384100 + 3742135929 = 72790^2 + 61173^2 .

It is a cyclic number.

It is not a de Polignac number, because 9040520029 - 2¹⁷ = 9040388957 is a prime.

It is a super-5 number, since 5×9040520029⁵ (a number of 51 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9040520129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4520260014 + 4520260015.

It is an arithmetic number, because the mean of its divisors is an integer number (4520260015).

Almost surely, 2^9040520029 is an apocalyptic number.

It is an amenable number.

9040520029 is a deficient number, since it is larger than the sum of its proper divisors (1).

9040520029 is an equidigital number, since it uses as much as digits as its factorization.

9040520029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 9040520029 is about 95081.6492757672. The cubic root of 9040520029 is about 2083.2008186874.

The spelling of 9040520029 in words is "nine billion, forty million, five hundred twenty thousand, twenty-nine".