40220345303 has 4 divisors (see below), whose sum is σ = 40879695288. Its totient is φ = 39560995320.

The previous prime is 40220345293. The next prime is 40220345323. The reversal of 40220345303 is 30354302204.

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 40220345303 - 2⁸ = 40220345047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220345323) 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, 329674901 + ... + 329675022.

It is an arithmetic number, because the mean of its divisors is an integer number (10219923822).

Almost surely, 2^40220345303 is an apocalyptic number.

40220345303 is a deficient number, since it is larger than the sum of its proper divisors (659349985).

40220345303 is an equidigital number, since it uses as much as digits as its factorization.

40220345303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659349984.

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 40220345303 its reverse (30354302204), we get a palindrome (70574647507).

The spelling of 40220345303 in words is "forty billion, two hundred twenty million, three hundred forty-five thousand, three hundred three".