400441242211 has 4 divisors (see below), whose sum is σ = 400442557624. Its totient is φ = 400439926800.

The previous prime is 400441242209. The next prime is 400441242233. The reversal of 400441242211 is 112242144004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 400441242211 - 2¹ = 400441242209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400441242011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59956 + ... + 896926.

It is an arithmetic number, because the mean of its divisors is an integer number (100110639406).

Almost surely, 2^400441242211 is an apocalyptic number.

400441242211 is a deficient number, since it is larger than the sum of its proper divisors (1315413).

400441242211 is an equidigital number, since it uses as much as digits as its factorization.

400441242211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315412.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 400441242211 its reverse (112242144004), we get a palindrome (512683386215).

The spelling of 400441242211 in words is "four hundred billion, four hundred forty-one million, two hundred forty-two thousand, two hundred eleven".