40201393 has 2 divisors, whose sum is σ = 40201394. Its totient is φ = 40201392.

The previous prime is 40201387. The next prime is 40201423. The reversal of 40201393 is 39310204.

40201393 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., 35904064 + 4297329 = 5992^2 + 2073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40201393 is a prime.

It is not a weakly prime, because it can be changed into another prime (40201303) 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, 20100696 + 20100697.

It is an arithmetic number, because the mean of its divisors is an integer number (20100697).

Almost surely, 2^40201393 is an apocalyptic number.

It is an amenable number.

40201393 is a deficient number, since it is larger than the sum of its proper divisors (1).

40201393 is an equidigital number, since it uses as much as digits as its factorization.

40201393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 40201393 is about 6340.4568447392. The cubic root of 40201393 is about 342.5681907311.

Adding to 40201393 its reverse (39310204), we get a palindrome (79511597).

The spelling of 40201393 in words is "forty million, two hundred one thousand, three hundred ninety-three".