40240093 has 2 divisors, whose sum is σ = 40240094. Its totient is φ = 40240092.

The previous prime is 40240033. The next prime is 40240129. The reversal of 40240093 is 39004204.

40240093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37491129 + 2748964 = 6123^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 40240093 - 2¹³ = 40231901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40240033) 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, 20120046 + 20120047.

It is an arithmetic number, because the mean of its divisors is an integer number (20120047).

Almost surely, 2^40240093 is an apocalyptic number.

It is an amenable number.

40240093 is a deficient number, since it is larger than the sum of its proper divisors (1).

40240093 is an equidigital number, since it uses as much as digits as its factorization.

40240093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 40240093 is about 6343.5079411947. The cubic root of 40240093 is about 342.6780802662.

Adding to 40240093 its reverse (39004204), we get a palindrome (79244297).

The spelling of 40240093 in words is "forty million, two hundred forty thousand, ninety-three".