40220443811 has 8 divisors (see below), whose sum is σ = 40680079200. Its totient is φ = 39760980160.

The previous prime is 40220443789. The next prime is 40220443867. The reversal of 40220443811 is 11834402204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40220443811 - 2³⁰ = 39146701987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40220343811) 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 7 ways as a sum of consecutive naturals, for example, 461801 + ... + 541941.

It is an arithmetic number, because the mean of its divisors is an integer number (5085009900).

Almost surely, 2^40220443811 is an apocalyptic number.

40220443811 is a deficient number, since it is larger than the sum of its proper divisors (459635389).

40220443811 is an equidigital number, since it uses as much as digits as its factorization.

40220443811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85869.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 40220443811 in words is "forty billion, two hundred twenty million, four hundred forty-three thousand, eight hundred eleven".