40197194803 has 4 divisors (see below), whose sum is σ = 40197823960. Its totient is φ = 40196565648.

The previous prime is 40197194801. The next prime is 40197194809. The reversal of 40197194803 is 30849179104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40197194803 - 2¹ = 40197194801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40197194801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206325 + ... + 350662.

It is an arithmetic number, because the mean of its divisors is an integer number (10049455990).

Almost surely, 2^40197194803 is an apocalyptic number.

40197194803 is a deficient number, since it is larger than the sum of its proper divisors (629157).

40197194803 is an equidigital number, since it uses as much as digits as its factorization.

40197194803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629156.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 40197194803 in words is "forty billion, one hundred ninety-seven million, one hundred ninety-four thousand, eight hundred three".