40202404193 has 4 divisors (see below), whose sum is σ = 45945604800. Its totient is φ = 34459203588.

The previous prime is 40202404189. The next prime is 40202404199. The reversal of 40202404193 is 39140420204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40202404193 - 2² = 40202404189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40202404199) 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 in 3 ways as a sum of consecutive naturals, for example, 2871600293 + ... + 2871600306.

It is an arithmetic number, because the mean of its divisors is an integer number (11486401200).

Almost surely, 2^40202404193 is an apocalyptic number.

It is an amenable number.

40202404193 is a deficient number, since it is larger than the sum of its proper divisors (5743200607).

40202404193 is an equidigital number, since it uses as much as digits as its factorization.

40202404193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743200606.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 40202404193 its reverse (39140420204), we get a palindrome (79342824397).

The spelling of 40202404193 in words is "forty billion, two hundred two million, four hundred four thousand, one hundred ninety-three".