40052189 has 2 divisors, whose sum is σ = 40052190. Its totient is φ = 40052188.

The previous prime is 40052183. The next prime is 40052227. The reversal of 40052189 is 98125004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34316164 + 5736025 = 5858^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 40052189 - 2⁸ = 40051933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40052183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026094 + 20026095.

It is an arithmetic number, because the mean of its divisors is an integer number (20026095).

Almost surely, 2^40052189 is an apocalyptic number.

It is an amenable number.

40052189 is a deficient number, since it is larger than the sum of its proper divisors (1).

40052189 is an equidigital number, since it uses as much as digits as its factorization.

40052189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 40052189 is about 6328.6798781420. The cubic root of 40052189 is about 342.1438612532.

The spelling of 40052189 in words is "forty million, fifty-two thousand, one hundred eighty-nine".