40367149 has 2 divisors, whose sum is σ = 40367150. Its totient is φ = 40367148.

The previous prime is 40367147. The next prime is 40367161. The reversal of 40367149 is 94176304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26728900 + 13638249 = 5170^2 + 3693^2 .

It is a cyclic number.

It is not a de Polignac number, because 40367149 - 2¹ = 40367147 is a prime.

Together with 40367147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40367143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20183574 + 20183575.

It is an arithmetic number, because the mean of its divisors is an integer number (20183575).

Almost surely, 2^40367149 is an apocalyptic number.

It is an amenable number.

40367149 is a deficient number, since it is larger than the sum of its proper divisors (1).

40367149 is an equidigital number, since it uses as much as digits as its factorization.

40367149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 40367149 is about 6353.5146966069. The cubic root of 40367149 is about 343.0383640758.

The spelling of 40367149 in words is "forty million, three hundred sixty-seven thousand, one hundred forty-nine".