40366793 has 2 divisors, whose sum is σ = 40366794. Its totient is φ = 40366792.

The previous prime is 40366759. The next prime is 40366829. The reversal of 40366793 is 39766304.

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., 27175369 + 13191424 = 5213^2 + 3632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40366793 is a prime.

It is not a weakly prime, because it can be changed into another prime (40366693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20183396 + 20183397.

It is an arithmetic number, because the mean of its divisors is an integer number (20183397).

Almost surely, 2^40366793 is an apocalyptic number.

It is an amenable number.

40366793 is a deficient number, since it is larger than the sum of its proper divisors (1).

40366793 is an equidigital number, since it uses as much as digits as its factorization.

40366793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 40366793 is about 6353.4866805558. The cubic root of 40366793 is about 343.0373556484.

The spelling of 40366793 in words is "forty million, three hundred sixty-six thousand, seven hundred ninety-three".