6400224842 has 16 divisors (see below), whose sum is σ = 10479694464. Its totient is φ = 2907360000.

The previous prime is 6400224823. The next prime is 6400224893. The reversal of 6400224842 is 2484220046.

It is a junction number, because it is equal to n+sod(n) for n = 6400224799 and 6400224808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55634 + ... + 126077.

It is an arithmetic number, because the mean of its divisors is an integer number (654980904).

Almost surely, 2^6400224842 is an apocalyptic number.

6400224842 is a deficient number, since it is larger than the sum of its proper divisors (4079469622).

6400224842 is a wasteful number, since it uses less digits than its factorization.

6400224842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183325.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 6400224842 is about 80001.4052501579. The cubic root of 6400224842 is about 1856.6572753596.

Adding to 6400224842 its reverse (2484220046), we get a palindrome (8884444888).

The spelling of 6400224842 in words is "six billion, four hundred million, two hundred twenty-four thousand, eight hundred forty-two".