6390544010 has 16 divisors (see below), whose sum is σ = 11547742536. Its totient is φ = 2546270208.

The previous prime is 6390543989. The next prime is 6390544019. The reversal of 6390544010 is 104450936.

It can be written as a sum of positive squares in 4 ways, for example, as 6115083601 + 275460409 = 78199^2 + 16597^2 .

It is not an unprimeable number, because it can be changed into a prime (6390544019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240727 + ... + 1245866.

Almost surely, 2^6390544010 is an apocalyptic number.

6390544010 is a deficient number, since it is larger than the sum of its proper divisors (5157198526).

6390544010 is a wasteful number, since it uses less digits than its factorization.

6390544010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486857.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6390544010 is about 79940.8782163419. The cubic root of 6390544010 is about 1855.7206907043.

Adding to 6390544010 its reverse (104450936), we get a palindrome (6494994946).

The spelling of 6390544010 in words is "six billion, three hundred ninety million, five hundred forty-four thousand, ten".