40184293 has 2 divisors, whose sum is σ = 40184294. Its totient is φ = 40184292.

The previous prime is 40184281. The next prime is 40184321. The reversal of 40184293 is 39248104.

40184293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23357889 + 16826404 = 4833^2 + 4102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40184293 is a prime.

It is a super-2 number, since 2×40184293² = 3229554807819698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40184203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20092146 + 20092147.

It is an arithmetic number, because the mean of its divisors is an integer number (20092147).

Almost surely, 2^40184293 is an apocalyptic number.

It is an amenable number.

40184293 is a deficient number, since it is larger than the sum of its proper divisors (1).

40184293 is an equidigital number, since it uses as much as digits as its factorization.

40184293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40184293 is about 6339.1082180382. The cubic root of 40184293 is about 342.5196124241.

The spelling of 40184293 in words is "forty million, one hundred eighty-four thousand, two hundred ninety-three".