40863193 has 16 divisors (see below), whose sum is σ = 47744640. Its totient is φ = 34252416.

The previous prime is 40863187. The next prime is 40863227. The reversal of 40863193 is 39136804.

It is a cyclic number.

It is not a de Polignac number, because 40863193 - 2⁵ = 40863161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40863143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66355 + ... + 66967.

It is an arithmetic number, because the mean of its divisors is an integer number (2984040).

Almost surely, 2^40863193 is an apocalyptic number.

It is an amenable number.

40863193 is a deficient number, since it is larger than the sum of its proper divisors (6881447).

40863193 is a wasteful number, since it uses less digits than its factorization.

40863193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 40863193 is about 6392.4324791115. The cubic root of 40863193 is about 344.4377680018.

Adding to 40863193 its reverse (39136804), we get a palindrome (79999997).

The spelling of 40863193 in words is "forty million, eight hundred sixty-three thousand, one hundred ninety-three".