40153109 has 2 divisors, whose sum is σ = 40153110. Its totient is φ = 40153108.

The previous prime is 40153079. The next prime is 40153111. The reversal of 40153109 is 90135104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 1898884 = 6185^2 + 1378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40153109 is a prime.

It is a super-2 number, since 2×40153109² = 3224544324731762, which contains 22 as substring.

Together with 40153111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40153129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20076554 + 20076555.

It is an arithmetic number, because the mean of its divisors is an integer number (20076555).

Almost surely, 2^40153109 is an apocalyptic number.

It is an amenable number.

40153109 is a deficient number, since it is larger than the sum of its proper divisors (1).

40153109 is an equidigital number, since it uses as much as digits as its factorization.

40153109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 40153109 is about 6336.6480886980. The cubic root of 40153109 is about 342.4309882799.

The spelling of 40153109 in words is "forty million, one hundred fifty-three thousand, one hundred nine".