6405324650 has 48 divisors (see below), whose sum is σ = 12596143200. Its totient is φ = 2416599360.

The previous prime is 6405324637. The next prime is 6405324683. The reversal of 6405324650 is 564235046.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6405324650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202829 + ... + 232271.

It is an arithmetic number, because the mean of its divisors is an integer number (262419650).

Almost surely, 2^6405324650 is an apocalyptic number.

6405324650 is a deficient number, since it is larger than the sum of its proper divisors (6190818550).

6405324650 is a wasteful number, since it uses less digits than its factorization.

6405324650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29703 (or 29698 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 6405324650 is about 80033.2721435279. The cubic root of 6405324650 is about 1857.1502831346.

Adding to 6405324650 its reverse (564235046), we get a palindrome (6969559696).

The spelling of 6405324650 in words is "six billion, four hundred five million, three hundred twenty-four thousand, six hundred fifty".