40214020129 has 2 divisors, whose sum is σ = 40214020130. Its totient is φ = 40214020128.

The previous prime is 40214020109. The next prime is 40214020289. The reversal of 40214020129 is 92102041204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36529530129 + 3684490000 = 191127^2 + 60700^2 .

It is a cyclic number.

It is not a de Polignac number, because 40214020129 - 2¹¹ = 40214018081 is a prime.

It is not a weakly prime, because it can be changed into another prime (40214020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20107010064 + 20107010065.

It is an arithmetic number, because the mean of its divisors is an integer number (20107010065).

Almost surely, 2^40214020129 is an apocalyptic number.

It is an amenable number.

40214020129 is a deficient number, since it is larger than the sum of its proper divisors (1).

40214020129 is an equidigital number, since it uses as much as digits as its factorization.

40214020129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 40214020129 in words is "forty billion, two hundred fourteen million, twenty thousand, one hundred twenty-nine".