40048884929 has 2 divisors, whose sum is σ = 40048884930. Its totient is φ = 40048884928.

The previous prime is 40048884859. The next prime is 40048884947. The reversal of 40048884929 is 92948884004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38581994929 + 1466890000 = 196423^2 + 38300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40048884929 is a prime.

It is not a weakly prime, because it can be changed into another prime (40048880929) 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, 20024442464 + 20024442465.

It is an arithmetic number, because the mean of its divisors is an integer number (20024442465).

Almost surely, 2^40048884929 is an apocalyptic number.

It is an amenable number.

40048884929 is a deficient number, since it is larger than the sum of its proper divisors (1).

40048884929 is an equidigital number, since it uses as much as digits as its factorization.

40048884929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 40048884929 in words is "forty billion, forty-eight million, eight hundred eighty-four thousand, nine hundred twenty-nine".