40143220203 has 4 divisors (see below), whose sum is σ = 53524293608. Its totient is φ = 26762146800.

The previous prime is 40143220199. The next prime is 40143220213. The reversal of 40143220203 is 30202234104.

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

It is not a de Polignac number, because 40143220203 - 2² = 40143220199 is a prime.

It is a super-2 number, since 2×40143220203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40143220203.

It is not an unprimeable number, because it can be changed into a prime (40143220213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6690536698 + ... + 6690536703.

It is an arithmetic number, because the mean of its divisors is an integer number (13381073402).

Almost surely, 2^40143220203 is an apocalyptic number.

40143220203 is a deficient number, since it is larger than the sum of its proper divisors (13381073405).

40143220203 is a wasteful number, since it uses less digits than its factorization.

40143220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13381073404.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40143220203 its reverse (30202234104), we get a palindrome (70345454307).

The spelling of 40143220203 in words is "forty billion, one hundred forty-three million, two hundred twenty thousand, two hundred three".