404404000043 has 4 divisors (see below), whose sum is σ = 415333837920. Its totient is φ = 393474162168.

The previous prime is 404404000037. The next prime is 404404000087. The reversal of 404404000043 is 340000404404.

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 404404000043 - 2⁴ = 404404000027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404403999982 and 404404000018.

It is not an unprimeable number, because it can be changed into a prime (404404000543) 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, 5464918883 + ... + 5464918956.

It is an arithmetic number, because the mean of its divisors is an integer number (103833459480).

Almost surely, 2^404404000043 is an apocalyptic number.

404404000043 is a deficient number, since it is larger than the sum of its proper divisors (10929837877).

404404000043 is a wasteful number, since it uses less digits than its factorization.

404404000043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10929837876.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 404404000043 its reverse (340000404404), we get a palindrome (744404404447).

The spelling of 404404000043 in words is "four hundred four billion, four hundred four million, forty-three", and thus it is an aban number.