6443404050 has 48 divisors (see below), whose sum is σ = 16085524032. Its totient is φ = 1706856000.

The previous prime is 6443404049. The next prime is 6443404087. The reversal of 6443404050 is 504043446.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6443403999 and 6443404017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119589 + ... + 164888.

It is an arithmetic number, because the mean of its divisors is an integer number (335115084).

Almost surely, 2^6443404050 is an apocalyptic number.

6443404050 is an abundant number, since it is smaller than the sum of its proper divisors (9642119982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6443404050 is a wasteful number, since it uses less digits than its factorization.

6443404050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284643 (or 284638 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 6443404050 is about 80270.8169262030. The cubic root of 6443404050 is about 1860.8232423517.

Adding to 6443404050 its reverse (504043446), we get a palindrome (6947447496).

The spelling of 6443404050 in words is "six billion, four hundred forty-three million, four hundred four thousand, fifty".