40488193 has 2 divisors, whose sum is σ = 40488194. Its totient is φ = 40488192.

The previous prime is 40488187. The next prime is 40488229. The reversal of 40488193 is 39188404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39727809 + 760384 = 6303^2 + 872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40488193 is a prime.

It is not a weakly prime, because it can be changed into another prime (40488163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20244096 + 20244097.

It is an arithmetic number, because the mean of its divisors is an integer number (20244097).

Almost surely, 2^40488193 is an apocalyptic number.

It is an amenable number.

40488193 is a deficient number, since it is larger than the sum of its proper divisors (1).

40488193 is an equidigital number, since it uses as much as digits as its factorization.

40488193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 40488193 is about 6363.0333175302. The cubic root of 40488193 is about 343.3808975693.

The spelling of 40488193 in words is "forty million, four hundred eighty-eight thousand, one hundred ninety-three".