40563393 has 16 divisors (see below), whose sum is σ = 58410240. Its totient is φ = 24891264.

The previous prime is 40563349. The next prime is 40563403. The reversal of 40563393 is 39336504.

40563393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40563393 - 2⁹ = 40562881 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (40563493) 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 in 15 ways as a sum of consecutive naturals, for example, 14680 + ... + 17222.

It is an arithmetic number, because the mean of its divisors is an integer number (3650640).

Almost surely, 2^40563393 is an apocalyptic number.

It is an amenable number.

40563393 is a deficient number, since it is larger than the sum of its proper divisors (17846847).

40563393 is a wasteful number, since it uses less digits than its factorization.

40563393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968.

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 40563393 is about 6368.9397076751. The cubic root of 40563393 is about 343.5933568176.

Adding to 40563393 its reverse (39336504), we get a palindrome (79899897).

The spelling of 40563393 in words is "forty million, five hundred sixty-three thousand, three hundred ninety-three".