40204033109 has 2 divisors, whose sum is σ = 40204033110. Its totient is φ = 40204033108.

The previous prime is 40204033013. The next prime is 40204033127. The reversal of 40204033109 is 90133040204.

40204033109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32362930609 + 7841102500 = 179897^2 + 88550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40204033109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40204003109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20102016554 + 20102016555.

It is an arithmetic number, because the mean of its divisors is an integer number (20102016555).

Almost surely, 2^40204033109 is an apocalyptic number.

It is an amenable number.

40204033109 is a deficient number, since it is larger than the sum of its proper divisors (1).

40204033109 is an equidigital number, since it uses as much as digits as its factorization.

40204033109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 40204033109 in words is "forty billion, two hundred four million, thirty-three thousand, one hundred nine".