40300109 has 2 divisors, whose sum is σ = 40300110. Its totient is φ = 40300108.

The previous prime is 40300079. The next prime is 40300123. The reversal of 40300109 is 90100304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20675209 + 19624900 = 4547^2 + 4430^2 .

It is a cyclic number.

It is not a de Polignac number, because 40300109 - 2¹² = 40296013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40300129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20150054 + 20150055.

It is an arithmetic number, because the mean of its divisors is an integer number (20150055).

Almost surely, 2^40300109 is an apocalyptic number.

It is an amenable number.

40300109 is a deficient number, since it is larger than the sum of its proper divisors (1).

40300109 is an equidigital number, since it uses as much as digits as its factorization.

40300109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 40300109 is about 6348.2366843085. The cubic root of 40300109 is about 342.8483578023.

The spelling of 40300109 in words is "forty million, three hundred thousand, one hundred nine".